Zhejiang Zhiming Electric Imp. & Exp. Co., Ltd.

home products Moulded Case Circuit Breaker DYZN28A-12 Series Indoor AC HV Vacuum Circuit Breaker

DYZN28A-12 Series Indoor AC HV Vacuum Circuit Breaker

Product Details:

Place of Origin China (Mainland)

Payment & Shipping Terms:

Delivery Time: 10-16days
Payment Terms: L/C,T/T

Detailed Product Description


  

 APPICATION

 As indoor  AC high  voltage vacuum  circuit breaker of rated voltage of 12KV and three-phase 50Hz, the DYZN28A-12 series indoor AC HV vacuum circuit breaker services in the fixed type switchgear or removable switchgear for replacing the oil minimum circuit-breaker inside backward switchgear. The circuit-breaker can function as protection and control device for electric equipment in  mineral & industrial enterprise,  power plant and substation and the occasions featuring frequent operation.

In compliance with the  standards   GB 1984, JB3855, DL/T403

 

TECHNICAL SPECIFICATION

Rated voltage

12KV

Rated current

630A, 1000A, 1250A

Rated insulation level

1min power frequency withstand voltage

42KV

Rated switch lightning impulse withstand voltage

75KV

Rated short-circuit breaking current

20KA, 25KA, 31.5KA

Rated short-time withstand current

50KA, 63KA, 80KA

Rated peak withstand current

20KA, 25KA, 31.5KA

Rated duration of short-circuit

4s

Mechanical endurance

10000 times

DYZN28A-12 Series Indoor AC HV Vacuum Circuit Breaker DYZN28A-12 Series Indoor AC HV Vacuum Circuit Breaker

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Company Info

Zhejiang Zhiming Electric Imp. & Exp. Co., Ltd.
[China (Mainland)]
[Verified Member]

City: Taizhou
Province/State: Zhejiang
Country/Region : China (Mainland)

Business Type:Manufacturer, Trading Company

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