Wuxi Hanguang Electric Appliance Co., Ltd.

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WHKL Isolating Switch

The Isolating Switch was developed by our company based on advanced technologies from both domestic and international sources, after years of meticulous research and development. It possesses international advanced standards and is an ideal replacement product among similar domestic products. The operating mechanism is a spring energy storage and instantaneous release acceleration mechanism, with a dual-breakpoint contact structure that instantly connects and disconnects, independent of the speed of the operating handle, significantly enhancing various electrical and mechanical performance.

Product Details

Model and Meaning

Technical Specifications

Appearance and dimensions

The Isolating Switch is carefully developed by our company by adopting advanced technology at home and abroad for many years. It has the international advanced level and is an ideal upgrading product among similar products in China. The operating mechanism is an acceleration mechanism with spring energy storage and instantaneous release. The double breakpoint contact structure for instantaneous turning on and breaking has nothing to do with the speed of the operating handle, which greatly improves various electrical and mechanical properties. Various structures and operation modes, including windows for directly observing the on-off status of contacts, inside and outside cabinet operations, front and side operations, and behind-board wiring. The switch is beautiful in shape, novel, concise, small in size and full in functions, which is an ideal choice among similar products.

WHK	L	—	☐

Wuxi Hanguang Electric Company Limited	Isolating switch		Rated operating current

Agreed heating current Ith (A)	63	100	125	160	200	250	315	400	500	630	1000	1250	1600
Rated insulation voltage Ui (V)	750	750	750	750	750	750	1000	1000	1000	1000	1000	1000	1000
Dielectric strength (V)	5000	5000	5000	5000	5000	5000	8000	8000	8000	8000	10000	10000	10000
Rated impulse withstand voltage Uimp kV (installation category IV)	8	8	8	8	8	8	12	12	12	12	12	12	12
Rated operating current le (A) 400V AC21B AC22B AC23B	63 63 63	100 100 100	125 125 125	160 160 160	200 200 200	250 250 250	315 315 315	400 400 340	500 500 425	630 630 500	1000 1000 800	1250 1250 1000	1600 1600 1250
Rated operating current le (A) 750V AC21B AC22B AC23B	63 63 40	100 100 80	125 125 80	160 160 80	160 160 100	200 160 125	315 315 125	400 315 125	400 315 125	500 315 125	1000 800 400	1000 800 400	1600 800 500
Rated operating current le (A) 220V DC21 DC22 DC23	63 63 63	100 100 100	125 125 125	160 160 125	200 200 160	250 250 200	315 315	400 400	500 400	630 500
Rated operating current le (A) 440V DC21 DC22 DC23	40 40 40	80 80 80	100 100 100	125 125 125	160 160 160	200 200 200	315 315	400 400	400 400	500 500
Motor Power P (kW) 400V 750V	30 22	55 45	63 60	80 75	100 90	132 110	160 185	220 185	280 185	315 185	560 475	560 475	560 475
Rated short-time withstand current Icw (kAr.m.s) 0.1 s/1. 0s	20/10	20/10	20/10	20/10	30/12	30/12	45/20	45/20	50/25	50/25	90/50	90/50	90/50
Rated on capacity Icn (Ar.m.s) AC23B 400V	1250	1250	1250	1250	2000	2000	3150	4000	4000	4000	10000	10000	10000
Rated breaking capacity Icm (Ar.m.s) AC23B 400V	1000	1000	1000	1000	1600	1600	2500	3200	3200	3200	8000	8000	8000
Rated short circuit connection capacity Icm (kA peak)	12	12	12	12	17	17	30	30	40	40	70	70	70
Mechanical life (number of cycle operations) (times)	10000	10000	10000	10000	10000	10000	5500	5500	5500	5500	4000	4000	3000
Electrical Life Rated Voltage 750V Rated Current le (A) COSφ = 0.95 AC21B COSφ = 0.65 AC22B COSφ = 0.35 AC23B	1500 1000 500	1500 1000 500	1500 1000 500	1500 1000 500	1500 1000 500	1500 1000 500	750 500 250	750 500 250	750 500 250	750 500 250	600 400 200	600 400 200	450 300 150
Operating torque (N/m)	6.5	6.5	6.5	6.5	10	10	14.5	14.5	14.5	14.5	27	27	27
Weight (kg) 3 poles 3poles	0.7	0.7	1	1	2	2	3.5	3.5	4	4	10.5	10.5	16
4 poles 4poles	1	1	1.5	1.5	2.5	2.5	4	4	4.5	4.5	13	13	20

Specification	Shape dimensions and installation dimensions
WHKL-125-630A	A	B	C	D	D1	E	ΦL	J	J1	K	N	P	R	S	T	U	φX	Y	F	H
125A/3 160A/3	140	135	120	27	92	72	5.5	120	120	65	85	36	20	25	3	115	8.5	23	49	10
125A/4 160A/4	170	135	120	27	92	72	5.5	150	150	65	85	36	20	25	3	115	8.5	23	49	10
200A/3 250A/3	180	170	130	35	103	84	5.5	160	160	90	115	50	25	30	3.2	140	10.5	25	79	15
200A/4 250A/4	230	170	130	35	103	84	5.5	210	210	90	115	50	25	30	3.2	140	10.5	25	79	15
315A/3 400A/3	230	240	165	50	138	116	7	210	210	140	145	65	32	40	5	206	10.5	36	94	20
315A/4 400A/4	290	240	165	50	138	116	7	270	270	140	145	65	32	40	5	206	10.5	36	94	20
500A/3 630A/3	230	260	165	50	138	116	7	210	210	140	145	65	40	50	6	220	12.5	37	94	20
500A/4 630A/4	290	260	165	50	138	116	7	270	270	140	145	65	40	50	6	220	12.5	37	94	20

Specification	Bottom plate size
WHKL-125~630A	I	M	Z	W	Q
125A	55	5.5	85	190	218
160A	55	5.5	85	190	218
200A	55	5.5	85	190	218
250A	55	5.5	85	190	218
315A	60	6.5	130	240	270
400A	60	6.5	130	240	270
500A	60	6.5	130	240	270
630A	60	6.5	130	240	270

Specification	Shape dimensions and installation dimensions
WHKL-1000-1600A	A	B	J	J1	N	R	S	T	Y
1000A/3	378	312	355	355	186	60	56	8	48
1000A/4	492	312	470	370	248	60	56	8	48
1250A/3	378	338	355	355	186	80	69	8	48
1250A/4	492	338	470	470	248	80	69	8	48
1600A/3	378	338	355	355	186	80	69	10	49
1600A/4	492	338	470	470	248	80	69	10	49

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