Define purpose 3tf ac contactor
attractive appearance, specialized production, excellent quality & good price

Define purpose 3tf ac contactor

It is suitable for 50/60Hz, rated insulation voltage is 690-1000V.  Rated current is 9A - 400A at rated operational voltage 380V under the utilization category AC-3. It mainly used for making or breaking circuit at a long distance, suitable for controlling/starting/stopping/reversing of ac motor. According with IEC60947 & VED0660 standards.

 

Type			3TF40	3TF41	3TF42	3TF43	3TF44	3TF45	3TF46	3TF47	3TF48	3TF49	3TF50	3TF51	3TF52	3TF53	3TF54	3TF55	3TF56
Rated insulation voltage(V)			660	660	660	660	660	690	1000	1000	1000	1000	1000	1000	1000	1000	1000	1000	1000
Rated operational current(380V)		AC-3	9	12	16	22	32	38	45	63	75	85	110	140	170	205	250	300	400
		AC-4	3.3	4.3	7.7	8.5	15.6	18.5	24	28	34	42	54	68	75	96	110	125	150
Rated outputs of three-phase motors	AC-3	230/220V	2.4	3.3	4	6.1	8.5	11	15	18.5	22	26	37	43	55	64	78	93	125
		400/380V	4	5.5	7.5	11	15	18.5	22	30	37	45	55	75	90	110	132	160	200
		500V	5.5	7.5	10	11	21	25	30	41	50	59	76	98	118	145	178	210	284
		690/660V	5.5	7.5	11	11	23	23	39	55	67	67	100	100	156	156	235	235	375
		1000V	-	-	-	-	-	-	-	-	39	39	65	65	90	90	132	132	250
	AC-4	400/380V	1.4	1.9	3.5	4	7.5	9	12.6/12	14.7/14	17.9/17	22/21	28.4/27	36/35	40/38	52/50	61/58	69/66	85/81
		690/660V	2.4	3.3	6	6.6	13	15.5	21.8/20.8	25.4/24.3	30.9/29.5	38/36	49/46.9	63/60	69/66	90/86	105/100	119/114	147/140