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				AC operated	B6, VB6, VB6A	B7, VB7, VB7A
				DC operated	BC6, VBC6, VBC6A	BC7, TBC7, 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
acc. to IEC 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 Utilization category for air temperature close to contactor θ ≤ 55 °C
Ie / Rated operational current AC-3				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
3				500 V	6.8 A	9.2 A
				690 V	3.8 A	3.8 A
Rated operational power AC-3				220-230-240 V	2.2 kW	3 kW
1800 r.p.m. 60 Hz				380-400 V	4 kW	5.5 kW
1500 r.p.m. 50 Hz
3-phase motors				440 V	4 kW	5.5 kW
	M			500 V	4 kW	5.5 kW
3				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 AC-3					10 x Ie AC-3 acc. to IEC 60947-4-1
Rated breaking capacity AC-3					8 x Ie AC-3 acc. to IEC 60947-4-1
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 ICW						96 A
at 40 °C ambient temperature, in free air from a cold state				10 s	64 A
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
			DC-1, DC-3, DC-5		600 cycles/h

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ABB | 3/41

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		AC operated	B6, VB6, VB6A		B7, VB7, VB7A
3			DC operated	BC6, VBC6, VBC6A		BC7, TBC7, VBC7, VBC7A
		Standards		UL 508, CSA C22.2 N°14
	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
		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 Heating		300 V per pole	8 A		8 A
	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	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, TBC7, VBC7, VBC7A
Rated insulation voltage Ui
acc. to IEC 60947-4-1		690 V
acc. to UL/CSA		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. 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		Sinusoidal
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

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