固封极柱系列
Positon:HOME> 固封极柱系列
NUMBER:150
NAME:ZW32 Bushings.
Detailed introduction:

Introduction:

Bushings are insulated devices that allow an electrical conductor to pass safely through a grounded conducting barrier such as the case of a transformer, circuit breaker or a switchgear. Our company offers different types of electric bushings for indoor or out door uses.

Product dimensional drawings:


Main technical parameters of the product:


Rated voltage

12kV

Rated current

630A/1250A

Rated frequency

50Hz

Rated short-circuit breaking current

20kA/25kA

Rated short-circuit breaking current (breaking times)

30Times

Rated Short Circuit Making Capacity

50kA/63kA

Rated peak withstand current

50kA/63kA

Rated short-time withstand current (4S)

20kA/25kA

Dry power frequency, routine test 1 min

42kV/48kVinterface

Wet power frequency, routine test 1 min

34kV

Lightning impulse withstand voltage (peak)

75kV/85kVinterface

Rated short circuit duration

4S

Mechanical life

10000 times

Dynamic and static contacts allow wear cumulative thickness

3mm

Contact opening distance

9±1mm

Contact overtravel

2±0.5mm


Office No. 3032, Building 6, No. 97 Changping Road, Shahe Town, Changping District, Beijing, (Chāngpíng shìfàn yuán).

北京市昌平区沙河镇昌平路97号6幢3032(昌平示范园)

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  • Office No. 3032, Building 6, No. 97 Changping Road, Shahe Town, Changping District, Beijing, (Chāngpíng shìfàn yuán)

    北京市昌平区沙河镇昌平路97号6幢3032(昌平示范园)

  • www.weineng.com