Page 558 - Motor protection and control Manual motor starters, contactors and overload relays

4/42 ABB MOTOR PROTECTION AND CONTROL

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B6, B7, BC6, BC7 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 AC operated B6, VB6, VB6A B7, VB7, VB7A
DC operated BC6, VBC6, VBC6A BC7, VBC7, VBC7A
Standards IEC/EN 60947-1, IEC/EN 60947-4-1
Rated operational voltage Ue max 690 V AC
Rated frequency (without derating) DC or 50 / 60 Hz
Conventional free-air thermal current lth Screw terminal types: 20 A
04
acc. to IEC/EN 60947-4-1, open contactors, θ ≤ 40 °C, Flat pin types: 20 A
with conductor cross-sectional area Soldering pin types: 12 A
AC-1 Utilization category for air temperature
close to contactor θ ≤ 40 °C
Ie / Rated operational current AC-1 220-230-240 V Screw terminal types: 20 A
Ue max ≤ 690 V, 50/60 Hz Flat pin types: 20 A
Soldering pin types: 12 A
380-400 V Screw terminal types: 20 A
Flat pin types: 20 A
Soldering pin types: 12 A
440 V Screw terminal types: 20 A
Flat pin types: 20 A
Soldering pin types: 12 A
500 V 12 A
690 V 6 A
AC-1 Utilization category for air temperature
close to contactor θ ≤ 55 °C
Ie / Rated operational current AC-1 220-230-240 V Screw terminal types: 16 A
Ue max ≤ 690 V, 50/60 Hz Flat pin types: 16 A
Soldering pin types: 12 A
380-400 V Screw terminal types: 16 A
Flat pin types: 16 A
Soldering pin types: 12 A
440 V Screw terminal types: 16 A
Flat pin types: 16 A
Soldering pin types: 12 A
500 V 12 A
690 V 6 A
AC-3 / AC-3e Utilization category for air temperature
close to contactor θ ≤ 55 °C
Ie / Rated operational current AC-3 / AC-3e 220 / 230 / 240 V 8.9 / 8.5 / 8.1 A 11.8 / 11.3 / 10.8 A
3-phase motors 380 / 400 V 8.9 / 8.5 A 12.1 / 11.5 A
440 V 7.4 A 10.1 A
M 500 V 6.8 A 9.2 A
3 690 V 3.8 A 3.8 A
Rated operational power AC-3 / AC-3e 220-230-240 V 2.2 kW 3 kW
1500 r.p.m. 50 Hz 380-400 V 4 kW 5.5 kW
M 1800 r.p.m. 60 Hz 440 V 4 kW 5.5 kW
3 3-phase motors 500 V 4 kW 5.5 kW
690 V 3 kW 3 kW
DC-1 Utilization category for air temperature
close to contactor θ ≤ 55 °C
Ie / Rated operational current DC-1 110 V - 4 A
220 V - 0.6 A
DC-3 Utilization category for air temperature
close to contactor θ ≤ 55 °C
Ie / Rated operational current DC-3 110 V - 1.5 A
220 V - 0.25 A
DC-5 Utilization category for air temperature
close to contactor θ ≤ 55 °C
Ie / Rated operational current DC-5 110 V - 0.4 A
220 V - 0.2 A
Rated making capacity 10 x Ie AC-3 acc. to IEC/EN 60947-4-1; 13 x Ie AC-3e acc. to IEC/EN 60947-4-1
Rated breaking capacity 8 x Ie AC-3 acc. to IEC/EN 60947-4-1; 8.5 x Ie AC-3e acc. to IEC/EN 60947-4-1
Short-circuit protection device for contactors
without thermal O/L relay - motor protection excluded
fuse type gG Type 1: 25 A / Type 2: 20 A Type 1: 25 A / Type 2: 25 A
Rated short-time withstand current Icw
at 40 °C ambient temperature, in free air 10 s 64 A 96 A
from a cold state
Maximum breaking capacity cos ϕ = 0.45 at 400 V 64 A 96 A
Maximum electrical switching frequency AC-1 300 cycles/h
AC-3 600 cycles/h 2CDC102043C0201 - Rev. B
DC-1, DC-3, DC-5 600 cycles/h