HR17B Series (Disconnector)

The HR17B series fuse-switch disconnector is suitable for use in AC 50Hz circuits with a rated voltage of 400V and a rated current ranging from 40A to 630A. It functions as a power switch, isolation switch, and emergency switch, and can be mounted on busbars or fixed plates. The switch cover features a sealed inspection hole, with a signal switch and testing switch integrated inside.

Available in 2-pole, 3-pole, and 4-pole configurations.

Complies with the IEC 60947-3 standard.

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Product Detail

Main Technical Parameter

Model	HR17B-40	HR17B-63	HR17B-160	HR17B-250	HR17B-400	HR17B-630
Rated insulation voltage Ui	690V
Rated working voltage Ue	400V
Rated working current Ie	40A	63A	160A	250A	400A	630A
Rated short-circuit making capacity Icm	400A	630A	1600A	2500A	4000A	6300A
Rated limited short-circuit current Inc	50kA
Usage category	AC-23B
Matched fuse-link	14x51	22x58	NT00-160	NT1-250	NT2-400	NT3-630

Outline & Mounting Dimension

Model	A	B	C	D	E	F	H
HR17B-160/30J	106	200	97	60	33	87	200
HR17B-250/30J	185	247	128	88	57	110	220
HR17B-400/30J	210	290	145	97	65	125	268
HR17B-630/30J	256	300	160	112	81	139	285

Model		A	B	C	D	E	a	b	φ
HR17B-40	2 poles	55	116	76	150	21	25	/	φ6
HR17B-40	3 poles	76	116	76	150	21	42	/	φ6
HR17B-63	2 poles	74	116	76	150	31	35	/	φ6
HR17B-63	3 poles	105	116	76	150	31	62	/	φ6
HR17B-160	2 poles	75	200	83	205	33	43	25	φ7
	3 poles	106	200	83	205	33	66	25	φ7
	4 poles	138	200	83	205	33	100	25	φ7
HR17B-250	2 poles	128	247	110	295	57	72	50	φ11
	3 poles	185	247	110	295	57	114	50	φ11
	4 poles	242	247	110	295	57	172	50	φ11
HR17B-400	2 poles	145	290	125	340	65	80	50	φ11
	3 poles	210	290	125	340	65	130	50	φ11
	4 poles	276	290	125	340	65	195	50	φ11
HR17B-630	2 poles	175	300	145	360	81	90	50	φ11
	3 poles	256	300	145	360	81	162	50	φ11
	4 poles	340	300	145	360	81	243	50	φ11