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BackHome > Products > Switch cabinet accessories

Switch cabinet accessoriesHLVP-12(VS1) Side-mounted 630A 1250A Indoor VCB Vacuum Circuit Breaker

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HLVP-12 series side-mounted vacuum circuit breaker is a indoor high voltage switchgear.It applies to a three phase power system under rated voltage 12KV and rated frequency 50Hz as a protective and control appliance.Because of the special superiority of vacuum circuit breaker,it is especially suitable for a site needs frequent operation or cut-off short circuit current many times under a rated current.

HLVP-12 series side-mounted vacuum circuit breaker adopts fixed installation.It is mainly used in fixed switch cabinet.The circuit breaker can be used independently, and can be also used for ring power supply, box transformer or various non-standard power supply systems.

NO.	ITEM			UNIT	DATA
1	Rated voltage			KV	12
2	Rated current			A	630/1250	630/1250
3	Rated short-circuit breaking current			KA	25	31.5
4	Rated short-circuit closing current			KA	63	80
5	Rated peak-resistant current			KA	63	80
6	4S Rated short-time withstand current			KA	25	31.5
7	Rated insulation level	Power frequency withstand voltage (rated before and after breaking)		KV	42(Fracture 48)
		Impulse withstand voltage (rated before and after breaking)		KV	75(Fracture 84)
8	Rated operating sequence				O-0.3s-CO-180s-CO
9	Life			Times	10000
10	Rated short-circuit breaking current breaking frquency			Times	50
11	Rated closing voltage of operating mechanism(DC)			V	110,220
12	Rated opening voltage of operating mechanism(DC)			V	110,220
13	Contact distance			mm	11±1
14	Overtravel(Contact spring compression length)			mm	3.5±3.5
15	Three phase opening/closing bounce time			ms	≤2
16	Contact closing bounce time			ms	≤2
17	Average opening speed			m/s	0.9-0.12
18	Average closing speed			m/s	0.4-0.8
19	Opening time		Max. operating voltage	s	≤0.05
			Min. operating voltage	s	≤0.08
20	Closing time			s	0.1
21	Circuit resistance of each phase			μΩ	50
22	The accumulated thickness that allows wear of moving/fixed contact			mm	3