Specifications

making and breaking, and for frequent starting and controlling the motor.After combined with the mechanical interlocking device

Application:

The contactor is suitable for using in the circuit up to the rated voltage 660V AC 50Hz or 60Hz, rated current 630A, for making and breaking, and for frequent starting and controlling the motor.After combined with the mechanical interlocking device, it becomes 3TD Series convertible contactor for Controlling, starting, breaking and Reversing of the motor.

The products comply with IEC947 & VDE0660.

Specifications:

Type			3TB-40	3TB-41	3TB-42	3TB-43	3TB-44
Rated insulation voltage			660	660	660	660	660
Rated operational current(380V)		AC-3	9	12	16	22	32
		AC-4	3.3	4.3	7.7	8.5	15.6
Rated outputs of three-phase motors at 50Hz	AC-3	230/220V	2.4	3.3	4	6.1	8.5
		400/380V	4	5. 5	7.5	11	15
		500V	5.5	7 .5	10	11	21
		690/660V	5.5	7.5	11	11	23
		1000V	-	-	-	-	-
	AC-4	400/380V	1.4	1.9	3.5	4	7.5
		690/660V	2.4	3.3	6	6.6	13
(×106)Mechanical endurance			10	10	10	10	10
Switchina frequency		AC-3	1.0	1.0	1.0	1.0	1.0
		AC-4	0.2	0.2	0.2	0.2	0.2
(×106)Mechanical endurance		AC-3	1000	1000	750	750	750
		AC-4	250	250	250	250	250
Coil voltage lolerance		(0.8~1.1)Us
Power consumption of coil (50Hz)	Closed		10	10	10	10	10
	Cos		0.29	0.29	0.29	0.29	0.29
	Closing		68	68	68	68	68
	Cos		0.82	0.82	0.82	0.82	0.82
Convention althermal current			20	20	30	30	45
Conventional thermal current of auxiliary contacts			10	10	10	10	10
Rated operational current of auxiliary contacts		AC-15 380/220V	6/10	6/10	6/10	6/10	4/6
Weight			0.43	0.43	0.49	0.49	0.7
The number of AC coil voltage			Coil for 50Hz AC		Coil for 50Hz/60Hz AC
			24	BO	24	C1
			42	DO	42	D1
			110	FO	110	G1
			220	MO	220	P1
			240	UO	240	R1
			380	QO	-	-