AF09(Z)B..RT ... AF38(Z)B..RT 4-pole contactors
Technical data
Main pole - Utilization characteristics according to IEC
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Contactor types |
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AF09(Z)B..RT |
AF16(Z)B..RT |
AF26(Z)B..RT |
AF38(Z)B..RT |
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Standards |
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IEC 60947-1 / 60947-4-1 and EN 60947-1 / 60947-4-1 |
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IEC 60077-1, IEC 60077-2, EN 50155 (applicable parts) |
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2 |
Fire and smoke |
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EN 45545 (HL2, HL3) |
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Rated operational voltage Ue max. |
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690 V |
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Rated frequency (without derating) |
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50 |
/ 60 Hz |
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Conventional free-air thermal current Ith |
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acc. to IEC 60947-4-1, open contactors, θ ≤ 40 °C |
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35 |
A |
35 A |
55 A |
55 A |
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With conductor cross-sectional area |
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6 mm² |
6 mm² |
16 mm² |
16 mm² |
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AC-1 Utilization category |
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For air temperature close to contactor |
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Ie / Rated operational current AC-1 |
θ ≤ 40 °C |
25 |
A |
30 A |
45 A |
55 A |
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Ue max. ≤ 690 V, 50/60 Hz |
θ ≤ 60 °C |
25 |
A |
30 A |
40 A |
45 A |
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θ ≤ 70 °C |
22 |
A |
26 A |
32 A |
37 A |
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With conductor cross-sectional area |
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4 mm² |
6 mm² |
10 mm² |
16 mm² |
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AC-3 Utilization category |
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For air temperature close to contactor θ ≤ 60 °C |
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Ie / Max. rated operational current AC-3 (1) |
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220-230-240 V |
9 A |
18 A |
23.2 A |
23.2 A |
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380-400 V |
9 A |
18 A |
22 A |
22 A |
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415 V |
9 A |
18 A |
21.2 A |
21.2 A |
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M |
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3-phase motors |
440 V |
9 A |
18 A |
20 A |
20 A |
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3 |
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500 V |
9.5 A |
15 A |
17.6 A |
17.6 A |
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690 V |
7 A |
10.5 A |
10.5 A |
10.5 A |
Rated operational power AC-3 (1)
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220-230-240 V |
2.2 kW |
4 kW |
5.5 kW |
5.5 kW |
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380-400 V |
4 kW |
7.5 kW |
11 kW (2) |
11 kW (2) |
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1500 r.p.m. 50 Hz |
415 V |
4 kW |
9 kW |
11 kW |
11 kW |
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M |
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1800 r.p.m. 60 Hz |
440 V |
4 kW |
9 kW |
11 kW |
11 kW |
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3 |
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3-phase motors |
500 V |
5.5 kW |
9 kW |
11 kW |
11 kW |
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690 V |
5.5 kW |
9 kW |
9 kW |
9 kW |
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Rated making capacity AC-3 |
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10 x Ie AC-3 acc. to IEC 60947-4-1 |
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Rated breaking capacity AC-3 |
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8 x Ie AC-3 acc. to IEC 60947-4-1 |
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Short-circuit protection device for contactors |
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without thermal overload relay - Motor protection excluded |
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Ue ≤ 500 V AC - gG type fuse |
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25 A |
32 A |
50 A |
63 A |
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Rated short-time withstand current Icw |
1 s |
300 A |
300 A |
450 A |
450 A |
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at 40 °C ambient temperature, |
10 s |
150 A |
150 A |
300 A |
300 A |
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in free air from a cold state |
30 s |
80 A |
80 A |
225 A |
225 A |
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1 min |
60 A |
60 A |
150 A |
150 A |
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15 min |
35 A |
35 A |
55 A |
55 A |
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Maximum breaking capacity |
at 440 V |
250 A |
250 A |
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– |
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cos θ = 0.45 |
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at 690 V |
106 A |
106 A |
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– |
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Power dissipation per pole |
Ie / AC-1 |
0.8 W |
1.2 W |
1.6 W |
2.3 W |
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Ie / AC-3 |
0.1 W |
0.35 W |
0.42 W |
0.42 W |
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Max. electrical switching frequency |
AC-1 |
600 cycles/h |
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(1)For the corresponding kW/A or hp/A values of 1500 r.p.m, 50 Hz or 1800 r.p.m, 60 Hz, 1-phase or 3-phase motors, see "Motor rated operational powers and currents".
(2)400 V 3-phase motor only.
Main pole - Utilization characteristics according to UL / NEMA / CSA
Contactor types |
AF09(Z)B..RT |
AF16(Z)B..RT |
AF26(Z)B..RT |
AF38(Z)B..RT |
Standards |
UL 508, CSA C22.2 N°14 |
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Maximum operational voltage |
600 V |
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UL / CSA general use rating |
25 A |
30 A |
45 A |
55 A |
600 V AC |
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With conductor cross-sectional area |
AWG 10 |
AWG 10 |
AWG 8 |
AWG 6 |
Maximum electrical switching frequency |
600 |
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For general use |
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<![endif]>1SBC101851S0201
72 | ABB
AF09(Z)B..RT ... AF38(Z)B..RT 4-pole contactors Technical data
General technical data
Contactor types |
AF09(Z)B..RT |
AF16(Z)B..RT |
AF26(Z)B..RT |
AF38(Z)B..RT |
Rated insulation voltage Ui |
690 V |
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acc. to IEC 60947-4-1 |
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acc. to UL / CSA |
600 V |
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Rated impulse withstand voltage Uimp. |
6 kV |
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Electromagnetic compatibility |
Devices complying with IEC 60947-1 / EN 60947-1 - Environment A |
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EN 50121-3-2 |
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Ambient air temperature |
-40...+70 °C |
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Operation in free air |
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Storage |
-60...+80 °C |
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Climatic withstand |
Category B according to IEC 60947-1 Annex Q |
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Maximum operating altitude (without derating) |
3000 m |
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Mechanical durability |
10 millions operating cycles |
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Number of operating cycles |
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Maximum switching frequency |
3600 cycles/h |
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Shock and vibration withstand |
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acc. to IEC 61373 |
Category 1, class B |
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Remark for 4-pole contactors itted with 2 N.O. + 2 N.C. main poles
1 R3 R5 7
These contactors are suitable for controlling 2 separate circuits, i.e. 2 loads with 2 separate supplies, or 1 circuit comprising 2 separate loads with a single supply (see diagrams below). When the contactor operates there is no mechanical overlapping between the N.O. poles and the N.C. poles: BREAK before MAKE.
2 |
R4 |
R6 |
8 |
!These contactors are not suitable for a reversing starter or for controlling a single load from 2 separate supplies.
Block diagrams |
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– Single supply and 2 separate loads |
– 2 separate supplies and 2 separate loads |
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Supply |
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Main |
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supply |
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Back-up |
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supply |
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A1 |
1 |
R3 |
R5 |
7 |
A1 |
1 |
R3 |
R5 |
7 |
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A2 |
2 |
R4 |
R6 |
8 |
A2 |
2 |
R4 |
R6 |
8 |
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Load |
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Load |
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Load |
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Load |
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<![if ! IE]><![endif]>1SBC100111S0201 - Rev. A
ABB | 75