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honle group co. ,ltd., located in yueqing economic development zone, wenzhou city, zhejiang province, is a national high-tech enterprise dedicated to the r&d, manufacturing and marketing of industrial electrical appliances.

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home > products > switch cabinet accessories

switch cabinet accessorieshlvp-12(vs1) indoor type vcb vacuum circuit breaker

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hlvp(vs1)-12 model indoor high voltage vacuum circuit breaker applies to power system of rated voltage 12kv as a protective and control unit for power grid equipment and industrial power equipment it can equip with kyn28(gzs1), xgn, gg-1a and other types of switchgear panels. related products: isolated handcart, fuse handcart and voltage transformer handcart.

ambient temperature:-10℃- 40℃

relative humidity:the average humidity of a day should be no more than 95%. the average humidity of a month should be no more than 90%.

earthquake intensity: not exceed 8 degrees.

saturated vapor pressure the average pressure of a day should be no more than 2.2kpa; the average pressure of a month should be no more

than1.8kpa;

the height above sea level:≤1000 m (except special requirements)

it should be installed in the places without fire, explosion, serious filth, and chemical erosion and violent vibration.

no.	item	unit	parameter
1	rated voltage	kv	12
2	rated lighting impulse voltage tolerance	kv	75
3	1 min frequency voltage	kv	42
4	frequency tolerance of the secondary circuit voltage (1 min)	v	2000
5	rated short-circuit breaking current breaking number	times	50
6	1min power frequency	ka	42/48
7	lightning impulse withstand voltage (peak)	ka	75/85
8	rated short-circuit breaking current	ka	20/25	31.5	40
9	rated crurrent	a	630 1250	630/1250	1250/1600
				1600/2000	2000/2500
				2500/3150	3150/4000
10	rated thermal stability of current(rms)	ka	20/25	31.5	40
11	dynamic stability rated current(peak)	ka	63	80	100
12	rated short-circuit closing current(peak)	ka	63	80	100
13	rated operating sequence		o-0.3s-co-180s-co o-180s-co-180s-co
14	rated a single/back-to-back electric current breaking device group	a	630/400 800/400(40ka)
15	mechanical life	times	10000