Kodery Electric 35kv Indoor Vacuum Circuit Breaker Vcb Handcart Type

Product Description

Product Description VS1-12(ZN63A) indoor high voltage vacuum circuit breaker is a three-phase AC 50 Hz indoor high voltage switchgear with rated voltage of 7.2-12kV. The circuit breaker meets the requirements of China's national standard gb1984-2003 "AC high voltage circuit breaker ", jb3855-1996 "3.6 ~ 40.5 kV indoor AC high voltage vacuum circuit breaker", d1403-91 "10-35 kV indoor high voltage vacuum circuit breaker ordering technical conditions" and relevant iec60694. IEC62271-100 standards, and has reliable interlocking function.
VS1-12(ZN63A) indoor high voltage vacuum circuit breaker can be operated frequently and has the ability of multiple breaking, and fast reclosing. VS1-12(ZN63A) indoor high-voltage vacuum circuit breaker is designed as a front and back separate structure, which can be used as a fixed installation unit or as a separate handcart with a chassis car.
Product Parameters

serial number	name		unit	data
1	nominal voltage		KV	12
2	rated frequency		Hz	50
3	Rated insulation level	Voltage withstand 1min power frequency	kA	max/alternate with 42/48
		Lightning shock voltage (peak)	kA	max/alternate with 75/85
4	Rated short circuit breaking current		kA	20	25	31.5		40
5	rated current		A	630	630	1250	1600	1250	1600
			A	1250	1250	2000	2500	2000	2500
	Rated short-time tolerable current (effective value)		kA	20	25	31.5		40
7	Rated peak tolerable current (peak)		kA	50	63	80		100
8	Rated short circuit closing current (peak)			50	63	80		100
9	Rated short circuit current duration		S	4
10	mechanical life		next	20000
11	Power frequency withstand voltage of secondary circuit (1min)		V	2000
12	Rated sequence of operation		minute -1- Or points -t1- Or points

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