ABB B6, VB6, VB6A, B7, VB7 Technical Data

B6, B7, BC6, BC7, TBC7 3- and 4-pole mini contactors
VB6, VB7, VBC6, VBC7 3- and 4-pole mini reversing contactors

Technical data

Main pole – Utilization characteristics according to IEC

Contactor types

Standards
Rated operational voltage U

e max

Rated frequency (without derating)
Conventional free-air thermal current l

acc. to IEC 60947-4-1, open contactors, θ ≤ 40 °C,
with conductor cross-sectional area

th

AC-1 Utilization category for air temperature close to contactor θ ≤ 40 °C

I

/ Rated operational current AC-1

e

U

≤ 690 V, 50/60 Hz

e max

AC-1 Utilization category for air temperature close to contactor θ ≤ 55 °C

I

/ Rated operational current AC-1

e

U

≤ 690 V, 50/60 Hz

e max

AC-3 Utilization category for air temperature close to contactor θ ≤ 55 °C

Ie / Rated operational current AC-3 220 / 230 / 240 V

3-phase motors

M

M

3

3

Rated operational power AC-3

1500 r.p.m. 50 Hz
1800 r.p.m. 60 Hz
3-phase motors

M

M

3

3

DC-1 Utilization category for air temperature close to contactor θ ≤ 55 °C

I

/ Rated operational current DC-1 110 V

e

DC-3 Utilization category for air temperature close to contactor θ ≤ 55 °C

I

/ Rated operational current DC-3 110 V

e

DC-5 Utilization category for air temperature close to contactor θ ≤ 55 °C

I

/ Rated operational current DC-5 110 V

e

Rated making capacity AC-3
Rated breaking capacity AC-3
Short-circuit protection device for contactors

without thermal O/L relay - motor protection excluded
Ue ≤ 500 V AC - fuse type gG Type 1: 25 A / Type 2: 25 A

Rated short-time withstand current I

at 40 °C ambient temperature, in free air from a cold state

CW

Maximum breaking capacity cos ϕ = 0.45
Maximum electrical switching frequency

AC operated
DC operated

220-230-240 V

380-400 V

440 V

500 V
690 V

220-230-240 V

380-400 V

440 V

500 V
690 V

380 / 400 V

440 V
500 V
690 V

220-230-240 V

380-400 V

440 V
500 V
690 V

220 V

220 V

220 V

10 s

at 400 V

AC-1
AC-3

DC-1, DC-3, DC-5

B6, VB6, VB6A B7, VB7, VB7A
BC6, VBC6, VBC6A BC7, TBC7, VBC7, VBC7A

IEC/EN 60947-1, IEC/EN 60947-4-1
690 V AC
DC or 50 / 60 Hz
Screw terminal types: 20 A

Flat pin types: 20 A
Soldering pin types: 12 A

Screw terminal types: 20 A
Flat pin types: 20 A
Soldering pin types: 12 A

Screw terminal types: 20 A
Flat pin types: 20 A
Soldering pin types: 12 A

Screw terminal types: 20 A
Flat pin types: 20 A
Soldering pin types: 12 A

12 A
6 A

Screw terminal types: 16 A
Flat pin types: 16 A
Soldering pin types: 12 A

Screw terminal types: 16 A
Flat pin types: 16 A
Soldering pin types: 12 A

Screw terminal types: 16 A
Flat pin types: 16 A
Soldering pin types: 12 A

12 A
6 A

8.9 / 8.5 / 8.1 A 11.8 / 11.3 / 10.8 A

8.9 / 8.5 A 12.1 / 11.5 A

7.4 A 10.1 A

6.8 A 9.2 A

3.8 A 3.8 A

2.2 kW 3 kW
4 kW 5.5 kW
4 kW 5.5 kW
4 kW 5.5 kW
3 kW 3 kW

- 4 A

- 0.6 A

- 1.5 A

- 0.25 A

- 0.4 A

- 0.2 A

10 x Ie AC-3 acc. to IEC 60947-4-1
8 x Ie AC-3 acc. to IEC 60947-4-1

64 A
64 A

96 A
96 A

300 cycles/h
600 cycles/h
600 cycles/h

3

ABB | 3/41

2CDC102043C0201

B6, B7, BC6, BC7, TBC7 3- and 4-pole mini contactors
VB6, VB7, VBC6, VBC7 3- and 4-pole mini reversing contactors

Technical data

Main pole – Utilization characteristics according to UL/NEMA/CSA

Contactor types

3

Standards
Maximum operational voltage
UL/CSA general use rating
UL/CSA maximum 1-phase motor rating

Full load current

Horse power rating

UL/CSA maximum 3-phase motor rating

Full load current

Horse power rating

Resistive Heating
Incandescent Lamps
Fluorescent Lamps
Short-circuit protection device for contactors

without thermal overload relay - motor protection excluded

Fuse rating
Fuse type, 600 V

Maximum electrical switching frequency

For resitive loads AC-1 300 cycles/h
For motor loads AC-3 600 cycles/h

1)

For the corresponding kW/A or hp/A values of 1500 r.p.m, 50 Hz or 1800 r.p.m, 60 Hz, 3-phase motors, see "Motor rated operational powers and currents".

1)

1)

AC operated
DC operated

120 V AC
240 V AC
120 V AC
240 V AC

200 / 208 V AC

220-240 V AC
440-480 V AC
550-600 V AC

200 / 208 V AC

220-240 V AC
440-480 V AC

550-600 V AC
300 V per pole
300 V per pole
300 V per pole

600 V
600 V

B6, VB6, VB6A B7, VB7, VB7A
BC6, VBC6, VBC6A BC7, TBC7, VBC7, VBC7A

UL 508, CSA C22.2 N°14
600 V
12 A / 300 V 16 A / 600 V

5.8 A 13.8 A

4.9 A 10.0 A

0.25 hp 0.75 hp

0.5 hp 1.5 hp

4.8 / 4.6 A 7.8 / 10.6 A

6.8 A 9.6 A

4.8 A 7.6 A

1.7 A 6.1 A
1 hp 2 / 3 hp
2 hp 3 hp
3 hp 5 hp
1 hp 5 hp

8 A 8 A
6 A 6 A

8.4 A 8.4 A

40 A
Class J

General technical data

Contactor types

Rated insulation voltage U

acc. to IEC 60947-4-1 690 V
acc. to UL/CSA 600 V

Rated impulse withstand voltage U
Ambient air temperature, close to contactor

Operation Fitted with thermal overload relay -25 ... +50 °C

Storage -40 ... +80 °C

Climatic withstand
Maximum operating altitude (without derating)
Mechanical durability
Resistance to shock

acc. IEC 60068-2-27 and EN 60068-2-27 15 g / 11 ms
acc. to IEC/EN 60947-1 Annex. Q Category E

Resistance to vibrations

acc. IEC 60068-2-27 and EN 60068-2-27 5 g / 3 ... 150 Hz
acc. to IEC/EN 60947-1 Annex. Q Category E

i

imp

Without thermal overload relay -25 ... +55 °C

AC operated
DC operated

B6, VB6, VB6A B7, VB7, VB7A
BC6, VBC6, VBC6A BC7, TBC7, VBC7, VBC7A

6 kV

Acc. to IEC 60947-1 Annex Q
2000 m
107 operating cycles
Half-sine

Sinusoidal

3/42 | ABB

2CDC102043C0201