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DYZN63 (VS1) Vacuum Circuit Breaker

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APPICATION

DYZN63A-12 (VS1) Series Indoor AC HV Vacuum Circuit Breaker services in power system of three-phase AC, 50Hz and 10KA to function as switching different kinds of leads or the loads needing frequent operation, and can protect and control electric equipment in the industrial & mineral enterprise, power plant and substation as well. I can coordinated with the KYN28A-12(GZS1) middle-arranged manual-driven switchgear or XGN-fixed switchgear as well.

In compliance with the standards IEC60056, GB198489, JB3855, DL/T403

TECHNICAL SPECIFICATIONS

Rated voltage		12KV
Rated current		630-3150A
Rated insulation level	1min power frequency withstand voltage	42KV
	Rated switch lightning impulse withstand voltage	75KV
Rated short-circuit breaking current		16-40KA
Rated short-time withstand current		40-100KA
Rated peak withstand current		16-40KA
Rated duration of short-circuit		4s
Mechanical endurance		20000 times

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