Page 559 - Motor protection and control Manual motor starters, contactors and overload relays

ABB MOTOR PROTECTION AND CONTROL 4/43

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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 UL/NEMA/CSA
Contactor types AC operated B6, VB6, VB6A B7, VB7, VB7A
DC operated BC6, VBC6, VBC6A BC7, VBC7, VBC7A
Standards UL/CSA 60947-1, UL/CSA 60947-4-1
Maximum operational voltage 600 V
UL/CSA general use rating 12 A / 300 V 16 A / 600 V
UL/CSA maximum 1-phase motor rating 04
Full load current 120 V AC 5.8 A 13.8 A
240 V AC 4.9 A 10.0 A
Horse power rating 120 V AC 0.25 hp 0.75 hp
240 V AC 0.5 hp 1.5 hp
UL/CSA maximum 3-phase motor rating
Full load current (1) 200 / 208 V AC 4.8 / 4.6 A 7.8 / 10.6 A
220-240 V AC 6.8 A 9.6 A
440-480 V AC 4.8 A 7.6 A
550-600 V AC 1.7 A 6.1 A
Horse power rating (1) 200 / 208 V AC 1 hp 2 / 3 hp
220-240 V AC 2 hp 3 hp
440-480 V AC 3 hp 5 hp
550-600 V AC 1 hp 5 hp
Resistive 300 V per pole 8 A 8 A
Heating
Incandescent Lamps 300 V per pole 6 A 6 A
Fluorescent Lamps 300 V per pole 8.4 A 8.4 A
Short-circuit protection device for contactors
without thermal overload relay - motor protection excluded
Fuse rating 600 V 40 A
Fuse type 600 V Class J
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".

General technical data
Contactor types AC operated B6, VB6, VB6A B7, VB7, VB7A
DC operated BC6, VBC6, VBC6A BC7, VBC7, VBC7A
Rated insulation voltage Ui
acc. to IEC/EN 60947-4-1 690 V
acc. to UL/CSA 60947-4-1 600 V
Rated impulse withstand voltage Uimp 6 kV
Ambient air temperature, close to contactor
Operation Fitted with thermal overload relay -25 ... +50 °C
Without thermal overload relay -25 ... +55 °C
Storage -40 ... +80 °C
Climatic withstand Acc. to IEC 60947-1 Annex Q
Maximum operating altitude (without derating) 2000 m
Mechanical durability 107 operating cycles
Resistance to shock Half-sine
acc. to IEC/EN 60068-2-27 15 g / 11 ms
acc. to IEC/EN 60947-1 Annex. Q Category E
Resistance to vibrations Sinusoidal
acc. to IEC/EN 60068-2-6 5 g / 3 ... 150 Hz
acc. to IEC/EN 60947-1 Annex. Q Category E

2CDC102043C0201 - Rev. B