WHC-D AC Contactor

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WHC-D AC Contactor

WHC-D AC Contactor

Application

WHC-D series AC contactors is suitable for using in the circuits up to the ratedvoltage 660V AC 50Hz or 60Hz, rated current up to 95A, for making, breaking,frequently starting & controlling the AC motor. Combined with the auxiliarycontact block, timer delay & machine-interlocking device etc, it becomes the delaycontactor, mechanical interlocking contactor, star-delta starter. With the thermalrelay, it is combined into the electromagnetic starter. The contactor is producedaccording to IEC947-2, VDE0660 & BS5452.

Standard Control Circuit Voltages

Volts	24	42	48	110	220/230	230	240
50Hz	B5	D5	E5	F5	M5	P5	U5
60Hz	B6	D6	E6	F6	M6	-	U6
50/60Hz	B7	D7	E7	F7	M7	P7	U7

Volts	380/400	400	415	440	500	660
50Hz	Q5	V5	N5	R5	S5	Y5
60Hz	Q6	-	-	R6	-	-
50/60Hz	Q7	V7	N7	R7	-	-

Speciﬁcarions

Type		WHC-D09	WHC-D12	WHC-D18	WHC-D25	WHC-D32	WHC-D40	WHC-D50	WHC-D65	WHC-D80	WHC-D95
Rated working current (A)	AC3	9	12	18	25	32	40	50	65	80	95
Rated working current (A)	AC4	3.5	5	7.7	8.5	12	18.5	24	28	37	44
AC3 capacity of phase 3 squirrel-cage motor AC3 (KW)	220/230V	2.2	3	4	5.5	7.5	11	15	18.5	22	25
	380/440V	4	5.5	7.5	11	15	18.5	22	30	37	45
	415V	4	5.5	9	11	15	22	25	37	45	45
	440V	4	5.5	9	11	15	22	30	37	45	45
	500V	5.5	7.5	10	15	18.5	22	30	37	55	55
	660/690V	5.5	7.5	10	15	18.5	30	33	37	45	45
Rated heat current (A)		20	20	32	40	50	60	80	80	125	125
Electrical life	AC4×10⁴	20	20-15	20-7	15-7	15-7	10-7	7	7	7-5	7-5
Electrical life	AC4×10³	2	2	2	2	2	2	2	2	1.6	1.6
Mechanical		20	20	20	20	20	20	20	20	10	10
Number of the contact		3P+NO				3P+NC+NO
Number of the contact		3P+NC				3P+NC+NO

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WHC-D AC Contactor

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