VST1-24 Indoor High Voltage Vacuum Circuit Breaker

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General Description
The VST1-24 indoor high voltage vacuum circuit breaker is a switchgear with the rated voltage of AC 24KV. It complies with the requirements of GB/T1984 "AC High Voltage Circuit Breaker", JB3855 "3.6~40.5KV Indoor AC High Voltage Vacuum Circuit Breaker", and relevant IEC standards. It also has reliable interlock function.

This product can be operated frequently and it has the function of fast reclosing. It is designed with front and rear respective structures, which can be used as a fixed unit or as a carrier equipped with chassis.

Main Technical Parameters

No.	Name		Unit	Data
1	Rated voltage		KV	24
2	Highest working voltage		KV	24
3	Rated current		A	630, 1250, 2000
4	Rated short circuit breaking current		KA	20, 25, 31.5
5	Rated short circuit making current		KA	50, 63, 80
6	Rated peak withstand current		KA	50, 63, 80
7	4s rated short time withstand current		KA	20, 25, 31.5
8	Rated insulation level	Power frequency withstand voltage (before and after test of rated short circuit breaking current)	KV	65
8	Rated insulation level	Lightning impulse withstand voltage (before and after test of rated short circuit breaking current)	KV	125
9	Rated operating sequence			O - 0.3s - CO - 180s - CO
10	Mechanical life		Time	30000
11	Number of breaking rated short circuit breaking current		Times	50

Related Names
HV Electrical Switch | Industrial Switchgear | 6 Pole Circuit Breaker

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