ABB UL, CSA Technical data

UL & CSA Technical data

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1

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1

contactors

ABB contactor frame size A/AE/AL A/AE/AL A/AE/AL A/AE/AL A/AE/AL A/AE/AL A/AE/AF A/AE/AF A/AE/AF A/AE/AF A/AE/AF A/AE/AF
9 12 16 26 30 40 45 50 63 75 95 110

NEMA size 00 — 0 1 1P — — 2 — 3 — —
Number of poles 3 OR 4 3 3 OR 4 3 OR 4 3 3 4 3 OR 4 3 3 OR 4 3 3

AC rating information

NEMA cont. amp rating thermal current 9 — 18 27 36 — — 45 — 90 — —
NEMA maximum H.P. ratings 1 phase
115 VAC 1/3 — 1 2 3 — — 3 — — — —
230 VAC 1 — 2 3 5 — — 7.5 — — — —
NEMA maximum H.P. ratings 3 phase
200 VAC 1.5 — 3 7.5 — — — 10 — 25 — —
230 VAC 1.5 — 3 7.5 — — — 15 — 30 — —
460/575 VAC 2 — 5 10 — — — 25 — 50 — —

U.L. general purpose current 40°C 21 25 30 40 50 60 65 80 90 105 125 140
Max. 3 Ph Switching motor loads A 9 11 17 28 34 42 — 54 65 80 95 110
U.L. maximum H.P. ratings 1 phase
115 VAC 1/2 3/4 1.5 2 3 3 — 3 5 7.5 7.5 10
230 VAC 2 2 3 5 7.5 7.5 — 7.5 10 15 20 25
U.L. maximum H.P. ratings 3 phase
200-208 VAC 2 3 5 7.5 10 10 — 15 20 25 30 30
220-240 VAC 2 3 5 10 10 15 — 20 25 30 30 40
440-480 VAC 5 7.5 10 20 25 30 — 40 50 60 60 75
550-600 VAC 7.5 10 15 25 30 40 — 50 60 75 75 100
U.L. maximum H.P. ratings
120 VDC 1 1.5 2 3 3 5 — 7.5 10 10 — —
240 VDC 2 3 3 5 7.5 10 — 15 20 25 — —
Lighting — ballast and incandescent 600VAC 15 15 20 35 50 60 65 65 85 105 — —
Resistive heating applications 600VAC 15 15 20 35 50 60 65 65 85 105 — —

CSA Elevator ratings

220 – 240VAC 3 phase — — 5 — — 10 — 15 — 20 — —
440 – 480VAC 3 phase — — 10 — — 20 — 30 — 30 — —
550 – 600VAC 3 phase — — 10 — — 20 — 30 — 40 — —
230VAC 1 phase — — 2 — — 5 — 7.5 — 10 — —

Auxiliary contacts

NEMA rating AC A600 A600 A600 A600 A600 A600 — A600 A600 A600 A600 A600
AC rated voltage VAC 600 600 600 600 600 600 — 600 600 600 600 600
AC thermal rated current A 10 10 10 10 10 10 — 10 10 10 10 10
AC maximum volt-ampere making VA 7200 7200 7200 7200 7200 7200 — 7200 7200 7200 7200 7200
AC maximum volt-ampere breaking VA 720 720 720 720 720 720 — 720 720 720 720 720
NEMA rating DC P600 P600 P600 P600 P600 P600 — P600 P600 P600 P600 P600
DC rated voltage VDC 600 600 600 600 600 600 — 600 600 600 600 600
DC thermal rated current A 5 5 5 5 5 5 — 5 5 5 5 5
DC Maximum make-break A 0.2 0.2 0.2 0.2 0.2 0.2 — 0.2 0.2 0.2 0.2 0.2

Approximate weight

Contactor lbs. 0.7 0.7 0.7 1.01 1.2 2.25 2.25 2.25 2.25 2.25 3.5 5
Starter lbs. 1.04 1.04 1.04 1.35 1.54 3 — 3 3 3 6 7

Terminal wire range AWG 18-10 18-10 18-10 12-8 8-4 8-4 8-1 8-1 8-1 8-1 6-2/0 6-2/0

Number of wires per phase 2 2 2 2 2 2 1 1 1 1 1 1

Maximum short circuit ratings

MCCB,MCP, Amps/kA 480VAC 50/35 50/35 50/35 100/35 150/65 150/65 — 150/85 250/85 250/85 250/85 250/85
MCCB,MCP, Amps/kA 600VAC 10/35 10/35 10/35 100/35 150/25 150/25 — — — — 250/35 250/35
Fuse,Amps — type/kA 600VAC 30J/200 30J/200 30J/200 60J/200 60J/200 100J/200 — 100J/200 200J/200 200J/200 200J/200 200J/200

A/AE9 – A/AE/AF1 10, AL9 – AL40
AC & DC operated

Mounting positions

Pos. 2

ABB

30°

30°

Pos. 1 ± 30°

ABB

ABB

ABB

Pos. 1

ABB

Pos. 3Pos. 4

Pos. 5

Pos. 6
(AL unauthorized)

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UL & CSA Technical data

contactors

A/AF145 – AF750
AC & DC operated

ABB contactor frame size A/AF A/AF A/AF A/AF A/AF AF AF AF AF
145 185 210 260 300 400 460 580 750

NEMA size 4 — — 5 — — 6 — 7
Number of poles 3 3 3 3 3 3 3 3 3

AC rating information

NEMA maximum H.P. ratings 3 phase
200 VAC 40 — — 75 — — 150 — —
230 VAC 50 — — 100 — — 200 — 300
460/575 V 100 — — 200 — — 400 — 600

U.L. general purpose current 40°C 230 250 300 350 400 550 650 750 900

Max. 3 Ph switching motor loads Amps 130 156 192 248 302 414 480 590 720
U.L. maximum H.P. ratings 1 phase
115 VAC 10 15 — — — — — — —
230 VAC 25 30 40 50 — — — — —
U.L. maximum H.P. ratings 3 phase
200—208 VAC 40 50 60 75 100 125 150 200 250
220—240 VAC 50 60 75 100 100 150 200 250 300
440—480 VAC 100 125 150 200 250 350 400 500 600
550—600 VAC 125 150 200 250 300 400 500 600 700

Auxiliary contacts

NEMA rating AC A600 A600 A600 A600 A600 A600 A600 A600 A600
AC rated voltage VAC 600 600 600 600 600 600 600 600 600
AC thermal rated current A 10 10 10 10 10 10 10 10 10
AC maximum volt—ampere making VA 7200 7200 7200 7200 7200 7200 7200 7200 7200
AC maximum volt—ampere breaking VA 720 720 720 720 720 720 720 720 720
NEMA rating DC P600 P600 P600 P600 P600 P600 P600 P600 P600
DC rated voltage VDC 600 600 600 600 600 600 600 600 600
DC thermal rated current A 5 5 5 5 5 5 5 5 5
DC Maximum make—break A 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2

Approximate weight

Contactor lbs. 7.1 7.1 13 13 13 26 26 33 33
Starter lbs. 9.11 9.11 17.67 17.67 17.67 35 35 45 45

Terminal wire range AWG 6—250MCM 6—250MCM 4—400MCM 4—400MCM 4—500MCM 250—500MCM 250—500MCM 2/0—500MCM2/0—500MCM

Number of wires per phase 1 1 1 1 2 2 2 2 3

Maximum short circuit ratings

MCCB,MCP,amps/kA 480VAC 400/85 400/85 800/85 800/85 800/85 800/80 800/80 1200/42 1200/42
MCCB,MCP,amps/kA 600VAC 400/35 400/35 800/35 800/35 800/35 800/42 800/42 — —
Fuse, amps—Type/kA 600VAC 400J/200 400J/200 600J/200 600J/200 600J/200 1000L/80 1000L/80 1200L/80 1200L/80

1

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UL/CSA & IEC Technical data

contactors

A/AE9 — A/AE/AF/TAE110

Contactor types: A..., AE... 9 12 16 26 30 40 45 50 63 75 95 110
AF..., TAE... – – – – – – 45 50 63 75 95 110

Rated insulation voltage U
according to IEC 60947-4-1 V 1000
according to UL/CSA V 600

Rated impulse withstand voltage U
Standards Devices complying with international standards IEC 60947-1 / 60947-4-1

and European standards EN 60947-1 / 60947-4-1
Air temperature close to contactor see "Conditions for use" page 1.50, for control voltage limits and authorized mounting positions

– fi tted with thermal O/L relay °C -25 to +55
– without thermal O/L relay °C -40 to +70 (55 max. for TAE... contactors)
– for storage °C -60 to +80 -40 to +70

Climatic withstand acc. to IEC 60068-2-30 and 60068-2-11 - UTE C 63-100 specifi cation II
Operating altitude m < 3000
Shock withstand

acc. IEC 60068-2-27 and EN 60068-2-27
Mounting position 1 (see page 1.50) 1/2 sinusoidal shock for 11 ms: no change in contact position
Shock direction Making position Breaking position
A 20 g 20 g
B1 10 g 5 g 1
B2 15 g 2 15 g 2
C1 20 g 20 g

A

C2 20 g 20 g

i

kV 8

imp.

acc. to IEC 68-2-30

C1

B1

A

B2

2

mounting

Not valid for DIN-rail

1

1

1 3 g for AF 45-22, AE 45-22, AF 75-22 and AE 75-22.
2 10 g for AF 45-22, AE 45-22, AF 75-22 and AE 75-22.

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IEC Technical data

contactors

DC circuit switching
A/AE9 — GAE75

General

The arc switching on d.c. is more diffi cult than on a.c.

• For selecting a contactor it is essential to determine the current, the voltage and the L/R time constant of the controlled load.

• For information, typical time constant values are quoted hereafter: non inductive loads such as resistance furnaces (L/R ~
(L/R ~

2 ms) or series motors (L/R ~ 7.5 ms).

• The addition of a resistor in parallel with an inductive winding helps in the elimination of the arcs.

• All the poles required for breaking must be connected in series between the load and the source polarity not linked to earth (or chassis).

a.c. operated contactors A9 A12 A16 A26 A30 A40 A45 A50 A63 A75 GA75
a.c. / d.c. operated (electronic coil interface) – – – – – – AF45 AF50 AF63 AF75 –
d.c. operated contactors AE9 AE12 AE16 AE26 AE30 AE40 AE45 AE50 AE63 AE75 GAE75

Utilization category DC-1, L/R < 1 ms

≤ 72 V A 25 27 30 45 55 60 70 100 110 120 120
110 V A 10 15 20 – – – – – – – 120
220 V A – – – – – – – – – – 120
440 V A – – – – – – – – – – 100
600 V A – – – – – – – – – – 75
≤ 72 V A 25 27 30 45 55 60 70 100 110 120 –
110 V A 25 27 30 45 55 60 70 100 110 120 –
220 V A 10 15 20 – – – – – – – –
≤ 72 V A 25 27 30 45 55 60 70 100 110 120 –
110 V A 25 27 30 45 55 60 70 100 110 120 –
220 V A 25 27 30 45 55 60 70 100 110 120 –
≤ 72 V A 25 27 30 45 – – 70 100 – 120 –
110 V A 25 27 30 45 – – 70 100 – 120 –
220 V A 25 27 30 45 – – 70 100 – 120 –
440 V A 10 15 20 – – – – – – – –

Utilization category DC-3, L/R < 2 ms

≤ 72 V A 25 27 30 45 55 60 70 100 110 120 120
110 V A 6 7 8 – – – – – – – 120
220 V A – – – – – – – – – – 100
440 V A – – – – – – – – – – 85
≤ 72 V A 25 27 30 45 55 60 70 100 110 120 –
110 V A 25 27 30 45 55 60 70 100 110 120 –
220 V A 6 7 8 – – – – – – – –
≤ 72 V A 25 27 30 45 55 60 70 100 110 120 –
110 V A 25 27 30 45 55 60 70 100 110 120 –
220 V A 25 27 30 45 55 60 70 100 110 120 –
≤ 72 V A 25 27 30 45 – – 70 100 – 120 –
110 V A 25 27 30 45 – – 70 100 – 120 –
220 V A 25 27 30 45 – – 70 100 – 120 –
440 V A 6 7 8 – – – – – – – –

Utilization category DC-5, L/R < 7.5 ms

≤ 72 V A 9 12 16 25 30 40 50 50 63 75 85
110 V A 4 4 4 – – – – – – – 85
220 V A – – – – – – – – – – 85
440 V A – – – – – – – – – – 35
≤ 72 V A 25 27 30 45 55 60 70 100 110 120 –
110 V A 10 15 20 30 45 50 70 80 90 100 –
220 V A 4 4 4 – – – – – – – –
≤ 72 V A 25 27 30 45 55 60 70 100 110 120 –
110 V A 25 27 30 45 55 60 70 100 110 120 –
220 V A 9 12 16 25 30 40 50 50 63 75 –
≤ 72 V A 25 27 30 45 – – 70 100 – 120 –
110 V A 25 27 30 45 – – 70 100 – 120 –
220 V A 10 15 20 30 – – 70 70 – 100 –
440 V A 4 4 4 – – – – – – – –

1 ms), inductive loads such as shunt motors

1

1

Low Voltage Products & Systems 1.41

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IEC Technical data

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contactors

Technical Data

• The tables indicate for the standard contactors the Ie max. operating currents depending on: the utilization category (i.e. L/R) DC-1, DC-3, DC-5 as defi ned in the
IEC 60947-4-1 publication, the operating voltage U

Ampere values quoted in the tables below are valid for a -25 … +70 °C temperature close to the contactors, as long as the AC-1 Ampere values (see pages 1.45

- 146) for the corresponding ambient temperature are not exceeded.

• Max. switching frequency: 300 ops/h.

• For switching higher d.c. ratings, we rec om mend the use of bar mounted contactors, R se ries (63 … 2000 A).

The selection table for AE 50 ... AE 110 contactors can be used for the TAE 50 ... TAE 110 types.

a.c. operated contactors A95 A110 A145 A185 A210 A260 A300 – – – –
a.c. / d.c. operated (electronic coil interface) AF95 AF110 AF145 AF185 AF210 AF260 AF300 AF400 AF460 AF580 AF750
d.c. operated contactors AE95 AE110 – – – – – – – – –

Utilization category DC-1, L/R < 1 ms

DC circuit switching
A/AF/AE95 — AF750

and the pole coupling details. See page 1.81.

e

<
220 V A – – – – – – – 600 700 800 1050
<
220 V A 145 160 250 275 350 400 450 600 700 800 1050
440 V A – – – – – – – 600 700 800 1050
600 V A – – – – – – – 600 700 800 1050

Utilization category DC-3, L/R ≤ 2.5 ms

<
220 V A – – – – – – – 600 700 800 1050
<
220 V A 145 160 250 275 350 400 450 600 700 800 1050
440 V A – – – – – – – 600 700 800 1050
600 V A – – – – – – – 600 700 800 1050

Utilization category DC-5, L/R ≤ 15 ms

<
220 V A – – – – – – – 600 700 800 1050
<
220 V A 145 160 250 275 350 400 450 600 700 800 1050
440 V A – – – – – – – 600 700 800 1050
600 V A – – – – – – – 600 700 800 1050

<110 V A – – – – – – – 600 700 800 1050

110 V A 145 160 250 275 350 400 450 600 700 800 1050

110 V A 145 160 250 275 350 400 450 600 700 800 1050

<110 V A – – – – – – – 600 700 800 1050

110 V A 145 160 250 275 350 400 450 600 700 800 1050

110 V A 145 160 250 275 350 400 450 600 700 800 1050

<110 V A – – – – – – – 600 700 800 1050

110 V A 145 160 250 275 350 400 450 600 700 800 1050

110 V A 145 160 250 275 350 400 450 600 700 800 1050

1.42 Low Voltage Products & Systems

AC 1000 - 11/03 ABB Inc. • 888-385-1221 • www.abb-control.com

IEC Technical data

1025 Exchange St. Boise, ID 83716 USA. Phone [phone] Fax [phone] Visit our website at www.clrwtr.com email us at [e-mail]

DC circuit switching
AL9 — AL40

General

The arc switching on d.c. is more diffi cult than on a.c.

• For selecting a contactor it is essential to determine the current, the voltage and the L/R time constant of the controlled load.

• For information, typical time constant values are quoted hereafter: non inductive loads such as resistance furnaces (L/R ~
(L/R ~

2 ms) or series motors (L/R ~ 7.5 ms).

• The addition of a resistor in parallel with an inductive winding helps in the elimination of the arcs.

• All the poles required for breaking must be connected in series between the load and the source polarity not linked to earth (or chassis).

A.C. operated contactors AL9 AL12 AL16 AL26 AL30 AL40

Utilization category DC-1, L/R < 1 ms

≤ 72 V A 25 27 30 45 55 60
110 V A 10 15 20 – – –
220 V A – – – – – –
440 V A – – – – – –
600 V A – – – – – –
≤ 72 V A 25 27 30 45 55 60
110 V A 25 27 30 45 55 60
220 V A 10 15 20 – – –
≤ 72 V A 25 27 30 45 55 60
110 V A 25 27 30 45 55 60
220 V A 25 27 30 45 55 60
≤ 72 V A 25 27 30 45 – –
110 V A 25 27 30 45 – –
220 V A 25 27 30 45 – –
440 V A 10 15 20 – – –

Utilization category DC-3, L/R < 2 ms

≤ 72 V A 25 27 30 45 55 60
110 V A 6 7 8 – – –
220 V A – – – – – –
440 V A – – – – – –
≤ 72 V A 25 27 30 45 55 60
110 V A 25 27 30 45 55 60
220 V A 6 7 8 – – –
≤ 72 V A 25 27 30 45 55 60
110 V A 25 27 30 45 55 60
220 V A 25 27 30 45 55 60
≤ 72 V A 25 27 30 45 – –
110 V A 25 27 30 45 – –
220 V A 25 27 30 45 – –
440 V A 6 7 8 – – –

Utilization category DC-5, L/R < 7.5 ms

≤ 72 V A 9 12 16 25 30 40
110 V A 4 4 4 – – –
220 V A – – – – – –
440 V A – – – – – –
≤ 72 V A 25 27 30 45 55 60
110 V A 10 15 20 30 45 50
220 V A 4 4 4 – – –
≤ 72 V A 25 27 30 45 55 60
110 V A 25 27 30 45 55 60
220 V A 9 12 16 25 30 40
≤ 72 V A 25 27 30 45 – –
110 V A 25 27 30 45 – –
220 V A 10 15 20 30 – –
440 V A 4 4 4 – – –

1 ms), inductive loads such as shunt motors

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1

1

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IEC Technical data

contactors

A/AE9 — A/AE/AF/TAE110

Main Pole - Utilization Characteristics

Contactor types: A..., AE... 9 12 16 26 30 40 45 50 63 75 95 110
AF..., TAE... – – – – – – 45 50 63 75 95 110

Rated operational voltage Ue max. V 690 1000 (690 for AF... contactors)
Rated frequency limits Hz 25-400

Conventional free-air thermal current Ith
acc. to IEC 60947-4-1,
open contactors ø ≤ 40 °C
with conductor cross-sectional areamm

Rated operational current I
for air temperature close to contactor
ø ≤ 40 °C A 25 27 30 45 55 60 70 100 115 125 145 160

max. 690 V ø ≤ 55 °C A 22 25 27 40 55 60 60 85 95 105 135 145

U

e

ø ≤ 70 °C 3 A 18 20 23 32 39 42 50 70 80 85 115 130
with conductor cross-sectional area mm

Utilization categorie AC-3
for air temperature close to contactor < 55 °C

Rated operational current Ie AC-3 1

220-230-240 V A 9 12 17 26 33 40 40 53 65 75 96 110

3-phase motors 380-400 V A 9 12 17 26 32 37 37 50 65 75 96 110

415 V A 9 12 17 26 32 37 37 50 65 72 96 110
440 V A 9 12 16 26 32 37 37 45 65 70 93 100
500 V A 9 12 14 22 28 33 33 45 55 65 80 100
690 V A 7 9 10 17 21 25 25 35 43 46 65 82
1000 V A – – – – – – – 23 2 25 2 28 2 30 2 30 2

Rated operational power AC-3 1

1500 r.p.m. 50 Hz
1800 r.p.m. 60 Hz
3-phase motors 415 V kW 4 5.5 9 11 15 18.5 18.5 25 37 40 55 59

440 V kW 4 5.5 9 15 18.5 22 22 25 37 40 55 59
500 V kW 5.5 7.5 9 15 18.5 22 22 30 37 45 55 59
690 V kW 5.5 7.5 9 15 18.5 22 22 30 37 40 55 75
1000 V kW – – – – – – – 30 2 33 2 37 2 40 2 40 2

Rated making capacity AC-3
according to IEC 60947-4-1 10 x I

Rated breaking capacity AC-3
according to IEC 60947-4-1 8 x I

Short-circuit protection for contactors
without thermal O/L relay - Motor protection excluded
Ue < 500 V a.c. - gG type fuse A 25 32 32 50 63 80 100 125 160 160 200

Rated short-time withstand current I
at 40 °C ambient temp., in free air,
from a cold state 1 s A 250 280 300 400 600 1000 1320 1320
10 s A 100 120 140 210 400 650 800 800
30 s A 60 70 80 110 225 370 500 500
1 min A 50 55 60 90 150 250 350 350
15 min A 26 28 30 45 65 110 110 135 135 160 175

Maximum breaking capacity
cos ø = 0.45 (cos ø = 0.35 for I
at 440 V A 250 420 820 900 1300 1160
at 690 V A 90 170 340 490 630 800

Heat dissipation per pole
I

Max. electrical switching frequency
– for AC-1 cycles/h 600 600 (300 for AF..., AE... TAE...) 300
– for AC-3 cycles/h 1200 (600 for AE...) 600 (300 for AF..., AE... TAE...) 300
– for AC-2, AC-4 cycles/h 300 150 150

Electrical durability see pages 1.70 - 1.73
Mechanical durability

– millions of operating cycles 10 (5 for AE... and TAE... contactors)
– max. mechanical switching
frequency cycles/h 3600 (300 for AF... contactors)

M

M

3

3

M

3

A 26 28 30 45 65 65 100 100 125 125 145 160

/ AC-1

e

{

220-230-240 V kW 2.2 3 4 6.5 9 11 11 15 18.5 22 25 30
380-400 V kW 4 5.5 7.5 11 15 18.5 18.5 22 30 37 45 55

Ie / AC-1 W 0.8 1 1.2 1.8 2.5 3 2.5 5 6.5 7 6.5 7.5

2

4 4 4 6 16 16 35 35 50 50 50 70

2

2.5 4 4 6 10 16 25 35 50 50 50 70

AC-3

e

AC-3

e

cw

> 100 A)

e

/ AC-3 W 0.1 0.2 0.35 0.6 0.9 1.3 0.65 1.3 1.5 2 2.7 3.6

e

1

1

1 For the corresponding hp/A values of 1500 r.p.m., 50Hz, 3-phase motors, see page 1.76.
2 AF... contactors excluded
3 Unauthorized for TAE... contactors.

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IEC Technical data

contactors

AE9 — AE110
TAE — TAE110

Magnet System Characteristics for AE... Contactors

Contactor types: AE... 9 12 16 26 30 40 45 50 63 75 95 110

Rated control circuit voltage U
V d.c. 12 ... 250

Coil operating limits ø <
according to IEC 60947-4-1 0.85 ... 1.1 x Uc

Drop-out voltage in % of U
Coil consumption - Average values

– pull-in value W 90 110 200 400
– holding value W 2 2.5 4 2.4

Coil time constant
– open L/R ms 2 3 3 6
– closed L/R ms 9 16 15 30 ... 40

Operating time
between coil energization and:
– N.O. contact closing ms 10 ... 16 13 ... 21 13 ... 30 15 ... 25
– N.C. contact opening ms 8 ... 12 11 ... 16 10 ... 27 12 ... 22
between coil de-energization and
– N.O. contact opening ms 5 ... 14 1 6 ... 12 1 5 ... 15 1 15 ... 20 1
– N.C. contact closing ms 11 ... 17 1 8 ... 16 1 8 ... 18 1 18 ... 23 1

Magnet System Characteristics for TAE... Contactors

Contactor types: TAE... – – – – – – 45 50 – 75 95 110

Rated control circuit voltage U
V d.c. 17 ... 264

Coil operating limits ø <

according to IEC 60947-4-1 Uc min. ... Uc max.

Drop-out voltage in % of U
Coil consumption

values for U
– pull-in value W 120 ... 250 300 ... 1000
– holding value W 1.7 ... 6.5 2 ... 7

Coil time constant
– open L/R ms 3 6
– closed L/R ms 15 40

Operating time
between coil energization and:
– N.O. contact closing ms 13 ... 30 15 ... 25
– N.C. contact opening ms 10 ... 27 12 ... 22
between coil de-energization and
– N.O. contact opening ms 5 ... 15 2 15 ... 20 2
– N.C. contact closing ms 8 ... 18 2 18 ... 23 2

min. ... Uc max.

c

c

55 °C ø < 70 °C

c

c

max. roughly 20 ... 35 %

c

roughly 10 ... 30 % roughly 15 ... 40 %

55 °C

1

1

1 The use of surge suppressors increases the opening time on a scale of 1.1 to 1.5 for a varistor suppressor and on a scale of 4 to 8 for a diode suppressor.
AE 9 ... AE 40 contactors and Uc > 110 V: table values for contactors with RV 5 surge suppressor (factory mounted).
2 The use of surge suppressors increases the opening time on a scale of 1.1 to 1.5 for a varistor suppressor and on a scale of 4 to 8 for a diode suppressor.

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IEC Technical data

contactors

A/AE9 — AF/TAE110

1

Mounting characteristics

Contactor types: A..., AE... 9 12 16 26 30 40 45 50 63 75 95 110
AF..., TAE... – – – – – – 45 50 63 75 95 110

Mounting positions see "Conditions for use"
Mounting distances The contactors can be assembled side by side
Mounting

on DIN rail 35 x 7.5 mm 35 x 15 mm

according to IEC 715 and EN 50022 / EN 50023

by screws (not supplied) 2 x M4 2 x M6

Conditions for Use

Sustainable utilization conditions for contactors involving at the same time the Mounting position, Ambient temperature and Control voltage operating limits are sum­marized in the table below.
Contactors Mounting position Ambient temperature Control voltage

A 9 ... A 110, AE 9 ... AE 110
> 55 °C unauthorized –

AF 45 ... AF 110
6 unauthorized – –

TAE 45 ... TAE 110 > 55 °C unauthorized –
6 unauthorized – –
Notes for 4-pole contactors

Whatever the coil voltage: Pos. 5 unauthorized for A 45-22-00, AE 45-22-00, A 75-22-00, AE 75-22-00 contactors.
For 60 Hz coil voltage: (only for devices fi tted with CA 5-.. and CAL 5-11 auxiliary contacts or TP timer)
– A 45-40-00, A 50-40-00 and A 75-40-00 contactors

Mounting positions 1 to 5 and ambient temperature <
– A 45-22-00 and A 75-22-00 contactors

Mounting positions 1 to 4 (pos. 5 unauthorized) and ambient temperature < 55 °C: tolerance reduced to 0.9 ... 1.1 Uc (instead of 0.85 ... 1.1 Uc) for coil voltage

codes 7

For mounting position 6 or ambient temperature of 55 to 70 °C the information given on this page remains applicable.

and 8 .

55 ... 70 °C U

1, 1 +

35 x 15 mm 75 x 25 mm 75 x 25 mm

30°, 2, 3, 4, 5

1, 1 +

<

6

30°, 2, 3, 4, 5 < 70 °C 0.85 Uc min. ... 1.1 x Uc max.

1, 1 +

30°, 2, 3, 4, 5

55 °C: tolerance reduced to 0.9 ... 1.1 Uc (instead of 0.85 ... 1.1 Uc) for coil voltage codes 7 and 8 .

<

<

55 °C 0.85 ... 1.1 x U

c

55 °C 0.95 ... 1.1 x U

55 °C Uc min. ... Uc max.

c

c

1

Mounting Positions (see the above table for authorized positions)

Position 2

ABB

Position 4

ABB

ABB

Position 1

ABB

-30°

Position 3

Position 1 ± 30°

+30°

Position 5

Position 6

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IEC Technical data

contactors

A/AE9 — AF/TAE110

Connecting Characteristics

Contactor types: A..., AE... 9 12 16 26 30 40 45 50 63 75 95 110
AF..., TAE... – – – – – – 45 50 63 75 95 110

Main terminals

1

1

with cable clamp with double with single connector with sin gle
connector

Connecting capacity (min. ... max.)

Main conductors (poles)

Rigid: solid (≤ 4 mm

stranded (≥ 6 mm

Rigid with connector
single for Cu cable mm
single for Al/Cu cable mm
double for Al/Cu cable mm

Flexible with cable end 1 x mm

2 x mm

Bars or lugs L mm ≤ 8 10 – – – – – – 30 2

l mm > 3.7 4.2 – – – – – – 6

Auxiliary conductors
(built-in auxiliary terminals + coil terminals)

Rigid solid 1 x mm

2 x mm

Flexible with cable end 1 x mm

2 x mm

Lugs L mm ≤ 8 1 8

l mm > 3.7 1 3.7

Degree of protection acc. to IEC 60947-1 / Protection against direct contact acc. to VDE 0106 - Part. 100
EN 60947-1 and IEC 60529 / EN 60529
– Main terminals IP 20 IP 10
– Coil terminals IP 20
– Built-in auxiliary terminals IP 20 – – – – – –

Screw terminals (delivered in open position, screws of unused terminals must be tightened)

Main terminals (+,-) pozidriv 2 screws hexagon socket

M3.5 M4 M5 M6 M8 (s = 4 mm)
Coil terminals M3.5 (+,-) pozidriv 2 screws with cable clamp
Built-in auxiliary terminals (+,-) pozidriv 2 screws with cable clamp – – – – – –

M3.5 M4 M5 – – – – – –
Tightening torque

Main pole terminals
– recommended Nm / lb.in 1.00 / 9 1.7 / 15 2.30 / 20 4.00 / 35 6.00 / 53
– max. Nm 1.20 2.20 2.60 4.50 6.50

Coil terminals
– recommended Nm / lb.in 1.00 / 9
– max. Nm 1.20

Built-in auxiliary terminals
– recommended Nm / lb.in 1.00 / 9 1.7 / 15 1.00 / 9 – – – – – –
– max. Nm 1.20 2.20 1.20 – – – – – –

Terminal marking and positioning see pages 1.34

2

) 1 x mm2 1 ... 4 1.5 ... 6 2.5 ... 16 6 ... 50 10 ... 95

2

) 2 x mm

}

l

l

2

1 ... 4 1.5 ... 6 2.5 ... 16 6 ... 16 6 ... 35

2

– – – – – – – – – – – –

2

– – – – – – – – – – – –

2

– – – – – – – – – – – –

2

0.75 ... 2.5 0.75 ... 4 2.5 ... 10 6 ... 35 10 ... 70

2

0.75 ... 2.5 0.75 ... 4 2.5 ... 10 6 ... 25 6 ... 35

L

2

1 ... 4 0.75 ... 2.5

2

1 ... 4 0.75 ... 2.5

2

0.75 ... 2.5 1 ... 2.5 0.75 ... 2.5

2

0.75 ... 2.5

L

2 x (5.6 x 6.5 mm) (14 x 14 mm)

(13 x 10 mm) con nec tor

1 L < 8 and l > 3.7 for coil terminal - L < 10 and l > 4.2 for built-in auxiliary terminals.
2 With LW 110 enlargement piece. See page 1.31.

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C

UL/CSA & IEC Technical data

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1

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1

contactors

Contactor types: AL AL9 AL12 AL16 AL26 AL30 AL40

Rated insulation voltage Ui
according to IEC 60947-4-1 V 1000
according to UL/CSA V 600

Rated impulse withstand voltage U
Standards Devices complying with international standards IEC 60947-1 / 60947-4-1

and European standards EN 60947-1 / 60947-4-1
Air temperature close to contactor see "Conditions for use" page 1.50, for control voltage limits and authorized mounting positions

– fi tted with thermal O/L relay °C -25 to +55
– without thermal O/L relay °C -40 to +70 (55 max. for TAE... contactors)
– for storage °C -60 to +80

Climatic withstand acc. to IEC 60068-2-30 and 60068-2-11 - UTE C 63-100 specifi cation II
Operating altitude m <
Shock withstand

acc. IEC 60068-2-27 and EN 60068-2-27
Mounting position 1 (see page 1.50) 1/2 sinusoidal shock for 11 ms: no change in contact position
Shock direction Making position Breaking position
A 20 g 20 g
B1 10 g 5 g

A

B2 15 g 15 g
C1 20 g 20 g
C2 20 g 20 g

B1

A

imp.

C1

2

AL9 — AL40

kV 8

3000

B2

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AL9 — AL40

Main Pole - Utilization Characteristics

Contactor types: AL AL9 AL12 AL16 AL26 AL30 AL40

Rated operational voltage Ue max. V 690
Rated frequency limits Hz 25-400

Conventional free-air thermal current Ith
acc. to IEC 60947-4-1,
open contactors ø ≤ 40 °C
with conductor cross-sectional areamm

Rated operational current I
for air temperature close to contactor
ø ≤ 40 °C A 25 27 30 45 55 60
U

max. 690 V ø ≤ 55 °C A 22 25 27 40 55 60

e

ø ≤ 70 °C 3 A 18 20 23 32 39 42
with conductor cross-sectional area mm

Utilization categorie AC-3
for air temperature close to contactor < 55 °C

Rated operational current Ie AC-3 1

220-230-240 V A 9 12 17 26 33 40

3-phase motors 380-400 V A 9 12 17 26 32 37

415 V A 9 12 17 26 32 37
440 V A 9 12 16 26 32 37
500 V A 9 12 14 22 28 33
690 V A 7 9 10 17 21 25
1000 V A – – – – – –

Rated operational power AC-3 1

1500 r.p.m. 50 Hz
1800 r.p.m. 60 Hz
3-phase motors 415 V kW 4 5.5 9 11 15 18.5

440 V kW 4 5.5 9 15 18.5 22

500 V kW 5.5 7.5 9 15 18.5 22

690 V kW 5.5 7.5 9 15 18.5 22

1000 V kW – – – – – –

Rated making capacity AC-3
according to IEC 60947-4-1 10 x I

Rated breaking capacity AC-3
according to IEC 60947-4-1 8 x I

Short-circuit protection for contactors
without thermal O/L relay - Motor protection excluded
Ue < 500 V a.c. - gG type fuse A 25 32 32 50 63

Rated short-time withstand current I
at 40 °C ambient temp., in free air,
from a cold state 1 s A 250 280 300 400 600
10 s A 100 120 140 210 400
30 s A 60 70 80 110 225
1 min A 50 55 60 90 150
15 min A 26 28 30 45 65

Maximum breaking capacity
cos ø = 0.45 (cos ø = 0.35 for I
at 440 V A 250 420 820
at 690 V A 90 170 340

Heat dissipation per pole
I

Max. electrical switching frequency
– for AC-1 cycles/h 600
– for AC-3 cycles/h 1200
– for AC-2, AC-4 cycles/h 300

Mechanical durability
– millions of operating cycles 10
– max. mechanical switching
frequency cycles/h 3600

M

M

3

3

M

3

A 26 28 30 45 65 65

/ AC-1

e

{

220-230-240 V kW 2.2 3 4 6.5 9 11
380-400 V kW 4 5.5 7.5 11 15 18.5

Ie / AC-1 W 0.8 1 1.2 1.8 2.5

2

4 4 4 6 16 16 35

2

2.5 4 4 6 10 16

AC-3

e

AC-3

e

cw

> 100 A)

e

/ AC-3 W 0.1 0.2 0.35 0.6 0.9

e

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contactors

1

1

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1

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contactors

Magnet system characteristics for AL contactors

Contactor types: AL AL9 AL12 16 26 30 40

Rated control circuit voltage U
V d.c. 12 ... 240 (24V & 48V for AL...Z)

Coil operating limits ø <
according to IEC 60947-4-1 0.85 ... 1.1 x Uc

Drop-out voltage in % of U
Coil consumption - Average values

– pull-in value W 3 (2.4 for AL9Z - AL16Z) 3.5
– holding value W 3 (2.4 for AL9Z - AL16Z) 3.5

Coil time constant
– open L/R ms 40
– closed L/R ms 90

Operating time
between coil energization and:
– N.O. contact closing ms 50 ... 75
– N.C. contact opening ms 45 ... 70
between coil de-energization and
– N.O. contact opening ms 15 ... 30
– N.C. contact closing ms 17 ... 32

c

roughly 15 ... 30 %

c

Magnet System Characteristics for TAL... Contactors

Contactor types: TAL TAL9 TAL12 TAL16 TAL26 TAL30 TAL40

Rated control circuit voltage U
V d.c. 9 ... 264

Coil operating limits ø <
according to IEC 60947-4-1 0.85 ... 1.1 x Uc

Drop-out voltage in % of U
Coil consumption

values for U
– Uc max. DC W 8.5 9
– Uc min. DC W 2.5 2.7
– Uc DC W 5 5.4

Operating time
between coil energization and:
– N.O. contact closing ms 50 ... 100 55 ... 110
– N.C. contact opening ms 20 ... 70 25 ... 75
between coil de-energization and
– N.O. contact opening ms 10 ... 17 1 12 ... 18 1
– N.C. contact closing ms 16 ... 27 1 18 ... 28 1

max. and 20 °C

c

c

max. roughly 20... 35 %

c

AL9 — AL40, TAL9 – TAL40

55 °C

55 °C

1 The use of surge suppressors increases the opening time on a scale of 1.1 to 1.5 for a varistor suppressor and on a scale of 4 to 8 for a diode suppressor.

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AL9 — AL40

Built-in Auxiliary Contacts - Utilization Characteristics

Contactor types: AL AL9 AL12 AL16 AL26 AL30 AL40

Rated operational voltage Ue
Conventional free air thermal

current I

- ø ≤ 40 °C A 16

th

Rated frequency limits Hz 25 ... 400
Rated operational current I

according to IEC 60947-5-1
24-127 V 50/60 Hz A 6
220-240 V 50/60 Hz A 4
380-440 V 50/60 Hz A 3
500 V 50/60 Hz A 2
690 V 50/60 Hz A 2

Rated operational current I
according to IEC 60947-5-1
24 V d.c. A / W 6 / 144
48 V d.c. A / W 2.8 / 134
72 V d.c. A / W 2 / 144
125 V d.c. A / W 1.1 / 138
250 V d.c. A / W 0.55 / 138

Rated making capacity
acc. to IEC 60947-5-1 10 x I

Rated breaking capacity
acc. to IEC 60947-5-1 10 x I

Short-circuit protection
gG type fuse A 10

Rated short-time withstand current I
for 1.0 s A 100
for 0.1 s A 140

Minimum switching capacity V / mA 17 / 5
Non-overlapping time between

N.O. and N.C. contacts ms >
Insulating resistance at 500 V d.c.

after durability test MOhm 5
Heat dissipation per pole at 6 A W 0.10

max.

V 690

/ AC-15

e

/ DC-13

e

cw

/ AC-15

e

/ AC-15

e

2

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contactors

1

1

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1

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contactors

Mounting characteristics

Contactor types: AL AL9 AL12 AL16 AL26 AL30 AL40

Mounting positions see "Conditions for use"
Mounting distances The contactors can be assembled side by side
Mounting

on DIN rail 35 x 7.5 mm

according to IEC 715 and EN 50022 / EN 50023

by screws (not supplied) 2 x M4

Conditions for Use

Sustainable utilization conditions for contactors involving at the same time the Mounting position, Ambient temperature and Control voltage operating limits are sum­marized in the table below.
Contactors Mounting position Ambient temperature Control voltage

AL9 – AL40

55 ... 70 °C U

Mounting Positions (see the above table for authorized positions)

AL9 — AL40

Position 2

35 x 15 mm

30°, 2, 3, 4, 5

1, 1 +

6 (Unauthorized)

<

55 °C 0.85 ... 1.1 x U

c

c

Position 4

ABB

ABB

Position 1

ABB

ABB

Position 3

-30°

+30°

Position 1 ± 30°

Position 5

Position 6

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IEC Technical data

contactors

AL9 — AL40

Connecting Characteristics

Contactor types: AL AL9 AL12 AL16 AL26 AL30 AL40

Main terminals

with cable clamp with double
connector

Connecting capacity (min. ... max.)

Main conductors (poles)

Rigid: solid (≤ 4 mm

stranded (≥ 6 mm
Rigid with connector

single for Cu cable mm
single for Al/Cu cable mm
double for Al/Cu cable mm

Flexible with cable end 1 x mm

2 x mm
Bars or lugs L mm ≤ 8 10 – –

l mm > 3.7 4.2 – –

Auxiliary conductors
(built-in auxiliary terminals + coil terminals)

Rigid solid 1 x mm

2 x mm
Flexible with cable end 1 x mm

2 x mm
Lugs L mm ≤ 8 1 8

l mm > 3.7 1 3.7

Degree of protection acc. to IEC 60947-1 / Protection against direct contact acc. to VDE 0106 - Part. 100
EN 60947-1 and IEC 60529 / EN 60529
– Main terminals IP 20
– Coil terminals IP 20
– Built-in auxiliary terminals IP 20

Screw terminals (delivered in open position, screws of unused terminals must be tightened)

Main terminals (+,-) pozidriv 2 screws

M3.5 M4 M5
Coil terminals M3.5 (+,-) pozidriv 2 screws with cable clamp
Built-in auxiliary terminals (+,-) pozidriv 2 screws with cable clamp

M3.5 M4 M5
Tightening torque

Main pole terminals
– recommended Nm / lb.in 1.00 / 9 1.7 / 15 2.30 / 20
– max. Nm 1.20 2.20 2.60

Coil terminals
– recommended Nm / lb.in 1.00 / 9
– max. Nm 1.20

Built-in auxiliary terminals
– recommended Nm / lb.in 1.00 / 9 1.7 / 15 1.00 / 9
– max. Nm 1.20 2.20 1.20

Terminal marking and positioning see pages 1.35

2

) 1 x mm2 1 ... 4 1.5 ... 6 2.5 ... 16

2

) 2 x mm

}

l

l

2

1 ... 4 1.5 ... 6 2.5 ... 16

2

– – – – – –

2

– – – – – –

2

– – – – – –

2

0.75 ... 2.5 0.75 ... 4

2

0.75 ... 2.5 0.75 ... 4

L

2

1 ... 4

2

1 ... 4

2

0.75 ... 2.5

2

0.75 ... 2.5

L

2 x (5.6 x 6.5 mm)

2.5 ... 10

2.5 ... 10

1

1

1 L < 8 and l > 3.7 for coil terminal - L < 10 and l > 4.2 for built-in auxiliary terminals.
2 With LW 110 enlargement piece. See page 1.31.

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IEC Technical data

contactors

Contactor electrical durability
and Utilization categories

General

Utilization categories determine the current making and breaking conditions relating to the characteristics of the loads to be controlled by the contactors. International
standard IEC 60947-4-1 and European standard EN 60947-4-1 are the standards to be referred to.

If I

is the current to be broken by the contactor and Ie the rated operational current normally drawn by the load, then:

c

• Categories AC-1 and AC-3: I

• Category AC-2: Ic = 2.5 x I

• Category AC-4: Ic = 6 x I
Generally speaking Ic = m x Ie where m is a multiple of the load operational current.

On pages 1.66 - 1.71, the curves corresponding to categories AC-1, AC-2, AC-3 and AC-4 represent the electrical durability variation of standard contactors in
relation to the breaking current Ic .
Electrical durability is expressed in millions of operating cycles.
These curves have been plotted for 400 V - 50 Hz 3-phase currents but remain valid up to 690 V - 40 ... 60 Hz provided that a check is carried out to make sure that
at the operational voltage Ue , the current Ie normally drawn by the load does not exceed the value of the contactor rated operational current: Ie / AC-1 for category
AC-1 and I

/ AC-3 for categories AC-3 and AC-4. The values are given for each type of contactor in pages 1.44, 1.45, 1.54, and 1.61 (Technical Data).

e

Curve Utilization Mode

Electrical durability forecast and contactor selection for categories AC-1, AC-2, AC-3 or AC-4

• Note the characteristics of the load to be controlled:

– Operational voltage............................................................................................ U

– Current normally drawn......................................................................................Ie (Ue / Ie / kW relation for motors, + page 0/0).

– Utilization category.............................................................................................AC-1, AC-2, AC-3 or AC-4

– Breaking current.................................................................................................I

• Defi ne the number of operating cycles N required.

• On the diagram corresponding to the operational category, select the contactor with the curve immediately above the intersection point (I

= I

c

e

e

e

e

= Ie for AC-1 and for AC-3 ; Ic = 2.5 x Ie for AC-2 ; Ic = 6 x Ie for AC-4

c

; N).

c

1

1

Electrical durability forecast and contactor selection for mixed duty motor control: AC-3 (I
and, occasionally, AC-4 (Ic = 6 x Ie) type switching off while "motor accelerating".

• Note the characteristics of the motor to be controlled:

– Operational voltage............................................................................................ U

– Current normally drawn while "motor running"...................................................Ie (Ue / Ie / kW relation for motors, + 0/0).

– Breaking current for AC-3...................................................................................Ic = I

– Breaking current for AC-4 while "motor accelerating"........................................Ic = 6 x I

– Percentage of AC-4 operations..........................................................................K (on the basis of the total number of operating cycles)

• Defi ne the total number of operating cycles N required.

• Note the smallest contactor rating compatible for AC-3 (U

• For the selected contactor make a note of the following in relation to the voltage using diagram AC-3 page 2/85 and AC-4 page 2/86 or 2/87:
– The number of operating cycles A for I
– The number of operating cycles B forIc = 6 x Ie (AC-4)

• Calculate the estimated number of cycles N' (N' is always below A)

A

N' =

1 + 0.01 K (A/B - 1)

•If N' is too low in relation to the target N, calculate the estimated number of cycles for a higher contactor rating.

Case of uninterrupted duty.

Among the different utilization categories, the uninterrupted duty implies the following remark. The combinated effect of environmental conditions and the proper
temperature of the product may require some disposals. As a matter of fact, for this duty, the use duration prevails over the number of operating cycles.
For long term service, some verifi cations of preventing maintenance are needed to check the functionality of the concerned product (consult us).
Over a duration of fi ve years, in these conditions the contactor might present high internal resistance. We recommend to change the contactor or change the
contacts.

= Ie (AC-3)

c

/ Ie) on pages 2/62, 2/63, 2/73, and 2/79.

e

= Ie) type switching off while "motor running"

c

e

e

e

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contactors

A 50-30-00

AF 460-30-11

IEC Technical data

Infl uence of the length of conductors
used in contactor control circuits

Under certain conditions the excessive length of the control circuit conductors may prevent the contactor from carrying out
closing and opening orders.

– no closing: due to excessive voltage drop (in a.c. or d.c.).
– no opening: due to excessive capacitance (in a.c.).

Contactor Closing (contactor with a.c. or d.c. fed control circuit)

The voltage drop is due to the pull-in current (pull-in power) and to the resistance of the control circuit
conductors.

The table and graph below can be used to determine the single length of line feeders (distance between the control device
and the contactor coil) in relation to:

l the coil pull-in consumption.
l the supply voltage.
l the connecting wire cross-sectional area.

The graph has been drawn for a max. line voltage drop of 5 %.
Coil pull-in consumption (average value)

Contactors a.c. control circuit Contactors d.c. con trol circuit
50 Hz

A 9, 12, 16 70 VA AE 9, 12, 16 90 W
A 26, 30, 40 120 VA AE 26, 30, 40 110 W
A 45, 50, 63, 75 180 VA AE 45, 50, 63, 75 200 W
A 95, 110 450 VA AE 95, 110 400 W
A 145, 185 700 VA BC 9, 16, 18, 25, 30 7 W
A 210, 260, 300 1700 VA

AF 45, 50, 63, 75 210 VA AF 45, 50, 63, 75 190 W
AF 95, 110 350 VA AF 95, 110 400 W
AF 145,185 430 VA AF 145,185 500 W
AF 210, 260, 300 470 VA AF 210, 260, 300 520 W
AF 400, 460 890 VA AF 400, 460 990 W
AF 580, 750 850 VA AF 580, 750 950 W

Permissible single length for the control circuit conductors on contactor closing:

Depending on the coil pull-in power consumption on the supply voltage and on the control circuit conductor cross-sectional area.

25000

40000

20000

30000

20000

10000

10000

5000

5000

single line length in m.

3000

2000

3000
2000

1000

1000

500

500

300

300

200

200

100

100

50

50

30

30

20

20

10

10

5

5

3

2.5

4

4

2.5

Cross-sectional area (Cu) in mm

15000

10000

5000

3000

2000

1000

500

300

200

100

10000

5000

3000

2000

1000

500

300

200

100

50

50

30

30

20

20

10

10

1.5

5

5

3
2

3

2

1.5

13579

1

1

1 10 100 1000 10000

2 3 5 20 30 50 200 300 500 2000 5000

2

13579

70

60 V

48 V

24 V

13579

660 V - 690 V

500 V

380 V - 400 V

220 V-230V

110 V

13579

Coil pull-in consumption: in VA for a.c. fed contactors

in W for d.c. fed contactors

Example:
A 9 contactor

Coil voltage: 230 V 50 Hz, contactor coil pull-in power consumption: 70 VA,
control circuit conductor cross-sectional area: Cu 1.5 mm

2

.

Max. permissible length: 2000 m.

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Single control line length

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Wiring diagram A

Via maintained pushbutton and 2-core
cable (with a capacity of 0.2 µF/km, for
example).

Single control line length

Wiring diagram B

Via momentary pushbutton plus hold-in
contact and 3-core cable (with a capacity
of 2 x 0.2 = 0.4 µF/km, for example).

Across the line

IEC Technical data

contactors

Infl uence of the length of conductors
used in contactor control circuits

Contactor Opening (contactor with a.c. fed control circuit)

Under certain conditions, an a.c. operated contactor does not open when the control circuit is de-energized.
This is due to a critical capacity of the excessively long control circuit line and the type of contactor coil control layout (see

diagrams A and B opposite).
This may be caused by the following factors:

• high control voltage.

• low coil holding consumption.

• low contactor drop-out voltage (according to IEC 60947-4-1: 0.2 to 0.75 x U
If lines longer than those indicated are required, the following measures must be taken:

• select a contactor with a higher rating.

• select a lower control voltage.

• connect "R
sizing of parallel resistor: R

C

" impedances in parallel with the contactor coil:

P

P

=

3

10

(with C in µF)

The table and graph below can be used to determine the single length of line feeders (distance between the control device
and the contactor coil) in relation to:

• the coil holding consumption VA.

• the supply voltage.

• the capacity in µF/km (depending on the control layout).
Wiring diagrams A and B opposite show two supply and coil control wiring examples.

Coil holding consumption (average value)

Contactors a.c. control circuit Contactors a.c. control circuit
50 Hz 50 Hz

A 9, 12, 16 8 VA AF 45, 50, 63, 75 7 VA
A 26, 30, 40 12 VA AF 95, 110, 7 VA
A 45, 50, 63, 75 18 VA AF 145, 185, 12 VA
A 95, 110 22 VA AF 210, 260, 300 10 VA
A 145, 185 35 VA AF 400, 460 12 VA

A 210, 260, 300 60 VA AF 580, 750 12 VA

).

c

1

1

Permissible single length for the control circuit conductors on contactor opening:

Depending on the coil holding power consumption, on the supply voltage and on the control circuit conductor capacity.

500

300

200

100

10000

5000

3000

2000

1000

500

300

200

0.20

100

50

30

20

10

0.10

50

30

20

10

5

24 V

48 V

60 V

110 V

220 V - 230 V

380 V - 400 V

500 V

660 V - 690 V

8

13579

18

13579

1 10 100 10002 3 5 20 30 50 200 300 500

13579

Coil holding consumption in VA

1700

1000

Single line length in metres

500

300

200

100

500

300

200

100

5000

3000

2000

1000

50

60

30

20

10

5

3.3

0.30

2500

2000

2000

1000

1000

500

380

300

200

100

50

50

30

30

20

20

10

10

5

5

3

3

2

0.60

2

0.50

Line capacitance inmF/km

1.7

3300

2000

1000

500

300

200

100

50

30

20

10

5

2.5

0.40

Examples:
A 16 contactor

Coil voltage U
ption, control type: diagram A, via maintained pushbutton, and 2-core

= 500 V, 50 Hz, 8 VA contactor coil holding consum-

c

cable with a capacity of 0.2 µF/km.

Max. permissible length: 60 m.

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A 50 contactor

Coil voltage Uc = 230 V, 50 Hz, 18 VA contactor coil holding consum­ption, control type: diagram B via momentary pushbutton, hold-in contact
and 3-core cable with a capacity of 2 x 0.2 µF/km = 0.4 µF/km.

Max. permissible length: 380 m.

L2

L1

L3

N

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Parallel Connection of Main Poles

Purpose: Increasing the a.c. resistive load.
Remarks:

– Parallel connection of main poles to increase the d.c. resistive load is not acceptable.
– Parallel connection of main poles does'nt increase the breaking capacity.

Means: The poles can be connected in parallel via shorting bars. See page 1.30.
– LP and LH for parallel connection of 2 poles,
– LY and LF for parallel connection of 3 poles,

The table below shows the uprating factor for I

Parallel connection of main poles

/ AC-1 max. in relation to the number of poles in parallel and for a max. switching frequency.

e

L1
L2
L3

N

2 poles in // 3 poles in // 4 poles in //

Contactors Factor to be applied to the rated operational current Ie / AC-1 to obtain the permissible
a.c. Operated d.c. Operated Cycles / h current Ie / AC-1 with "n" poles in parallel.

3-pole contactors

A 9 ... A 75 AF 50 ... AF 75
AF 50 ... AF 75 AE..., TAE... 600 1.6 2.2 –
AL... A 95 ... A 300 AF 145 ... AF 750 300 1.6 2.2 –
AF 145 ... AF 750

4-pole contactors

A 9 ... A 75 AF 45 ... AF 75
AF 45 ... AF 75 AE..., TAE... 600 1.6 2.2 2.6
AL... EK... EK... 300 1.6 2.2 2.8

L1
L2
L3

N

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IEC Technical data

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Temporary or intermittent duty

Utilization of Contactors for Temporary / Intermittent Duty

The table below shows the factor to be applied to the rated op er a tion al current Ie / AC-1 to obtain the permissible operational current Ie / AC-1 in
relation to the switching frequency and the current fl ow time per cycle.

Operating cycles per hour 120 60 20 6 2 1

Current fl ow time Factor to be applied to the rated operational current Ie / AC-1 max.
per cycle in seconds. to obtain the permissible current Ie / AC-1 for temporary / intermittent duty.

5 2.8 3.4 4 4.7 5 5.2
10 2.2 2.6 3 3.4 3.7 3.8
20 1.6 2 2.4 2.6 2.7 2.8
30 – 1.7 2.1 2.2 2.3 2.4
40 – 1.5 1.9 2.0 2.1 2.2
60 – – 1.7 1.8 1.8 1.9

Example:
A 9 contactor (intermittent duty, resistive load)

Rated operational current I
Switching frequency 2 op er a tions/h
Current fl ow time per cycle 20 s
Factor to be applied to the current I

Permissible current: 2.7 x 22 = 59 A

/ AC-1 at 55 °C (see page 1.42) 22 A

e

/ AC-1 2.7

e

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Technical data

Technical terms and defi nitions

Altitude

Refers to the height of the site where the equipment is located, expressed in
meters above the sea level.

Ambient temperature

Temperature of the air surrounding the unit.

Circuits

• Auxiliary circuit

All the conducting parts of a contactor, intended to be included in a circuit different
from the main circuit and the control circuit of the contactor e.g. signalization,
interlocking circuits etc …

• Control circuit

All the conducting parts of a contactor (other than the main circuit) included in
a circuit used for the closing operation, or opening operation, or both, of the
contactor.

• Main circuit

All the conducting parts of a contactor included in the circuit which it is designed to
close or open.

Coil operating range

Expressed as a multiple of the rated control circuit voltage Uc for the lower and
upper limits.

Cycle duration

Total time of the on-load + off-load period.

Endurance / durability

• Electrical endurance

Number of on-load operating cycles (i.e. with current on the main contacts) a
contactor can achieve, varies depending on the utilization category.

• Mechanical endurance

Number of off-load operating cycles (i.e. without current on the main contacts) a
contactor can achieve.

Inching

Energizing a motor once or repeatedly for short periods to obtain small movements
of the driven mechanism.

Insulation class according to the VDE 0110 and NFC 20-040

Characterizes contactors suitability in accordance with environment and utilization
conditions. A contactor can be classifi ed depending on its own clearance and
creepage distances in the insulation classes A, B, C, D which correspond to
different insulation voltage values.

The insulation class C is applicable to most of the industrial applications.
Equipment described in this catalogue correspond to insulation class C.

Intermittent duty

Duty in which the main contacts of a contactor remain closed for periods of time
insuffi cient to allow the contactor to reach thermal equi lib ri um, the current-carrying
periods being separated by off-load periods of suffi cient duration to restore
equality of temperature with the cooling medium.

Mounting positions

Stated by the manufacturer. Please note restrictions when applicable.

On-load factor

Ratio of the current fl ow time to the total time of the cycle x 100.

Plugging

Stopping or reversing a motor quickly by interchanging two supply leads whilst the
motor is running.

Rated breaking capacity; Rated making capacity

Value of r.m.s current a contactor can break or make at a fi xed voltage value,
within the conditions specifi ed by the standards, depending on the utilization
category.

Rated control circuit voltage Uc

Control voltage value for which the control circuit of the unit is sized.

Rated insulation voltage U

Voltage value which designates the unit and to which dielectric tests, clearance
and creepage distances are referred.

Rated impulse withstand voltage U

The highest peak value of an impulse voltage of prescribed form 1.2/50, which
does not cause breakdown under specifi ed conditions of test.

Rated operating current I

Current value stated by the manufacturer and taking into account the rated
operating voltage Ue, the rated frequency, the rated duty, the utilization category,
the electrical contact life and the type of the protective enclosure.

Rated operating voltage U

Voltage value to which utilization characteristics of the contactor are referred, i.e.
phase to phase voltage in 3 phase circuits.

Conventional thermal current I

Value of current the contactor can withstand with poles in closed position, in
free air for an eight hour duty, without the temperature rise of its various parts
exceeding the limits specifi ed by the standards.

i

imp

e

e

th

Resistance to shocks

Requirements applicable for instance to vehicles, crane operation or switchgear
slide-in module systems.

At the quoted permissible «g» values, contactors must not undergo a change in
switching state and O/L relays must not trip.

Resistance to vibrations

Requirements applicable to all the vehicles, vessels and other similar transport
systems. At the quoted amplitude and vibration frequency values, the unit must be
capable to achieve the required duty.

Short-circuit protection co-ordination

Achieved by using back-up protection devices such as circuit-breakers, H.R.C.
fuses or standard fuses.

Co-ordination types a, b, c are defi ned in IEC 292-1 publication, VDE 0660, NFC
63-650 standards. Co-ordination types "1" and "2" are defi ned in IEC 947-4-1.

• Type 1 co-ordination

There has been no discharge of parts beyond the enclosure. Damage to the
contactor and the overload relay is acceptable.

• Type 2 co-ordination

No damage to the overload relay or other parts has occured, except that welding
of contactor or starter contacts is permitted, if they are easily separated.

Switching frequency

Number of operating cycles per hour.

Time

• Closing time

Time between energization of the coil until the moment the contacts of the fi rst
current path to be closed actually close.

• Opening time

Time from the beginning of state causing breaking until the moment when the
contacts of the last current path to be opened are open.

• Minimal operation time

Shortest control duration to ensure complete closing or opening of a contactor.

• Short time current permissible

Value of current which the contactor can withstand in closed position for a short
time period and within specifi ed conditions.

• Time constant

Ratio of inductance to the resistance : L/R = mH/Ohm = ms.

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IEC Technical data

contactors

Standards, utilization categories

1

Standards

• IEC standards 158-1: “Contactors” and series IEC 292 :

“Motor-starters” have been revised and replaced by the new IEC 947-4-1 (1990-05): “Contactors and Motor-starters” referring to IEC 947-1 (1988): “General rules”
The new standards will constitute the basis of the future European and National standards, not yet revised.
Therefore the ratings indicated in this catalog are established according to the former and the future standards.

• Main changes and additions in the new standards are:

• Revision and extension of the utilization categories (see hereafter)

• Replacement of the coordination classes types a, b, c by new types: “1” (approximately equivalent to former class “a”) and “2” (ap prox i mate ly equivalent to former class

“c”) with additional requirements.

• Classifi cation of the thermal overload relays in tripping classes: 10 A; 10; 20 and 30 depending on their tripping times, at 1.5 and 7.2 times their setting current, in order

to cover motor applications depending on their starting times. Class 10 A is adapted for motors according to IEC 34-1.

• Introduction of tests to verify the connecting capability and the mechanical strength of terminals.

Utilization categories

A contactor duty is characterized by the utilization category plus indication of the rated operating voltage and the rated operating current (see at Rated …), or the motor
characteristics.

Utilization categories for contactors according to IEC 947-4-1

Alternating current: AC-1 Non-inductive or slightly inductive loads, resistance furnaces. Power factor 0.7 - 0.8 (slightly inductive).
AC-2 Slip-ring motors: starting, switching-off.
AC-3 Squirrel-cage motors: starting, switching-off motors during running. Power factor 0.4 - 0.5 (AC-3).
AC-4 Squirrel-cage motors: starting, plugging, inching.
AC-5a Switching of electric discharge lamp controls.
AC-5b Switching of incandescent lamps.
AC-6a Switching of transformers.
AC-6b Switching of capacitor banks
AC-8a Hermetic refrigerant compressor motor control with manual resetting of overload releases
AC-8b Hermetic refrigerant compressor motor control with automatic resetting of overload releases.

Direct current: DC-1 Non-inductive or slightly inductive loads, resistance furnaces.
DC-3 Shunt motors: starting, plugging, inching. Dynamic breaking of d.c. motors.
DC-5 Series motors: starting, plugging, inching. Dynamic breaking of d.c. motors.
DC-6 Switching of incandescent lamps

1

Utilization categories for contactor relays according to IEC 947-5-1

Alternating current: AC-12 Control of resistive loads and solid state loads with isolation by opto couplers.
AC-13 Control of solid state loads with transformer isolation.
AC-14 Control of small electromagnetic loads (≤ 72 VA).
AC-15 Control of electromagnetic loads (> 72 VA).

Direct current: DC-12 Control of resistive loads and solid state loads with isolation by opto couplers.
DC-13 Control of electromagnets.
DC-14 Control of electromagnetic loads having economy resistors in circuit.

Utilization categories AC-1, AC-2, AC-3, AC-4 and DC-1, DC-3, DC-5 are maintained with slightly more severe tests.
Other categories have been added in order to standardize specifi c applications. In fact some contactor applications and the specifi c criteria characterizing the types of

load controlled can modify the recommended utilization characteristics. These major applications are, for example :

Switching of capacitor banks

This application is characterized by high current peaks when switching-on the contactor and presence of harmonic currents on uninterrupted duty. For this application, IEC
947-4-1 has defi ned an utilization category AC-6b. Practical ratings have to be defi ned according to tests or, in absence of tests, by a calculation indicated in IEC 947-4-1.

Switching of transformers

This application is characterized by high current peaks on contactor closing due to magnetization phenomena. The corresponding utilization category according to IEC
947-4-1 is AC-6a. Ratings are derived from test-values for AC-3 or AC-4 according to formula given in IEC 947-4-1.

Switching of lighting circuits

The current peaks on contactor closing and power factor vary depending on the type of lamps, the switching method used and if compensation systems are fi tted or not.
IEC 947-4-1 contains two standard utilization categories
AC-5a for switching of the electric discharge lamps.

AC-5b for switching of incandescent lamp.

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Ampere ratings of 3 phase, AC induction motors

110 – 120V 200 – 208V 220 – 240V 380 – 415V1 440 – 480V 550 – 600V
Horse Single Two Three Single Two Three Single Two Three Single Three Single Two Three Single Two Three

power phase phase phase phase phase phase phase phase phase phase phase phase phase phase phase phase phase

1/10 3.0 — — 1.65 — — 1.5 — — 1.0 — — — — — — —
1/8 3.8 — — 2.1 — — 1.9 — — 1.2 — — — — — — —
1/6 4.4 — — 2.4 — — 2.2 — — 1.4 — — — — — — —
1/4 5.8 — — 3.2 — — 2.9 — — 1.8 — — — — — — —
1/3 7.2 — — 4.0 — — 3.6 — — 2.3 — — — — — — —
1/2 9.8 4.0 4.4 5.4 2.2 2.4 4.9 2.0 2.2 3.2 1.3 2.5 1.0 1.1 2.0 0.8 0.9
3/4 13.8 4.8 6.4 7.6 2.6 3.5 6.9 2.4 3.2 4.5 1.8 3.5 1.2 1.6 2.8 1.0 1.3
1 16.0 6.4 8.4 8.8 3.6 4.6 8.0 3.2 4.2 5.1 2.3 4.0 1.6 2.1 3.2 1.3 1.7
1 1/2 20.0 9.0 12.0 11.0 5.0 6.6 10.0 4.5 6.0 6.4 3.3 5.0 2.3 3.0 4.0 1.8 2.4
2 24.0 11.8 13.6 13.2 6.5 7.5 12.0 5.9 6.8 7.7 4.3 6.0 3.0 3.4 4.8 2.4 2.7
3 34.0 16.6 19.2 18.7 9.2 10.6 17.0 8.3 9.6 10.9 6.1 8.5 4.2 4.8 6.8 3.3 3.9
5 56.0 26.4 30.4 30.8 14.5 16.8 28.0 13.2 15.2 17.9 9.7 14.0 6.6 7.6 11.2 5.3 6.1
7 1/2 80.0 38.0 44.0 44.0 21.0 24.2 40.0 19.0 22.0 27.0 14.0 21.0 9.0 11.0 16.0 8.0 9.0
10 100.0 48.0 56.0 55.0 26.4 30.8 50.0 24.0 28.0 33.0 18.0 26.0 12.0 14.0. 20.0 10.0 11.0
15 135.0 72.0 84.0 75.0 39.6 46.2 68.0 36.0 42.0 44.0 27.0 34.0 18.0 21.0 27.0 14.0 17.0
20 — 94.0 108.0 96.8 52.0 60.0 88.0 47.0 54.0 56.0 34.0 44.0 23.0 27.0 35.0 19.0 22.0
25 — 118.0 136.0 121.0 65.0 75.0 110.0 59.0 68.0 70.0 44.0 55.0 29.0 34.0 44.0 24.0 27.0
30 — 138.0 160.0 150.0 76.0 88.0 136.0 69.0 80.0 87.0 51.0 68.0 35.0 40.0 54.0 28.0 32.0
40 — 180.0 208.0 194.0 100.0 115.0 176.0 90.0 104.0 112.0 66.0 88.0 45.0 52.0 70.0 36.0 41.0
50 — 226.0 260.0 238.0 125.0 143.0 216.0 113.0 130.0 139.0 83.0 108.0 56.0 65.0 86.0 45.0 52.0
60 — — — — 147.0 160.0 — 133.0 154.0 — 103.0 — 67.0 77.0 — 53.0 62.0
75 — — — — 183.0 212.0 — 166.0 192.0 — 128.0 — 83.0 96.0 — 66.0 77.0
100 — — — — 240.0 273.0 — 218.0 248.0 — 165.0 — 109.0 124.0 — 87.0 99.0
125 — — — — — 344.0 — — 312.0 — 208.0 — 135.0 156.0 — 108.0 125.0
150 — — — — — 396.0 — — 360.0 — 240.0 — 156.0 180.0 — 125.0 144.0
200 — — — — — 528.0 — — 480.0 — 320.0 — 208.0 240.0 — 167.0 192.0
250 — — — — — 663.0 — — 602.0 — 403.0 — — 302.0 — — 242.0
300 — — — — — — — — — — 482.0 — — 361.0 — — 289.0
350 — — — — — — — — — — 560.0 — — 414.0 — — 336.0
400 — — — — — — — — — — 636.0 — — 477.0 — — 382.0
500 — — — — — — — — — — 786.0 — — 590.0 — — 472.0

Motor data

1 To obtain full load currents for 265V and 277V motors, decrease corresponding 220 – 240V ratings by 13 percent and 17 percent.

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