Application

The AC contactor is suitable for use in the circuits 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	Rated thermal current (A)	Rated operating current at 380V (A)	Rated operating current at 660V (A)	The power of controlled motor (KW)		Type of auxiliary contact
				380(V)	660(V)
3TB40	22	9	7.2	4	5.5	1NO 1NC 1NO+1NC 2NO+2NC
3TB41	22	12	9.5	5.5	7.5
3TB42	35	16	13.5	7.5	11
3TB43	35	22	13.5	11	11
3TB44	55	32	18	15	15	2NO+2NC