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Add: 27Gaoxin Road, National High-tech Industrial Development Zone, Baoji City, Shaanxi Province, China

Post Coad: 721306

Tel: 86-029-88312666

Fax: 86-029-88832200

E-mail: xeec@xianelectric.com.cn

12kV Vacuum Circuit Breaker
12kV Vacuum Circuit Breaker
Product Details

XD Baoji Electric Co.,Ltd is one of the leading China 12kv vacuum circuit breaker manufacturers and suppliers, as a professional company, our factory is able to produce quality 12kV VCB, 12kv vacuum circuit breaker products at competitive price.

Product Description
      VXB-12 Series Indoor vacuum circuit breaker is suitable to 12kV, three-phase A.C 50Hz power system. It is used for control and protection switch of power distribution system, such as power plant, substation, industrial and mineral enterprise to receive and distribute power. Especially suitable for the place with frequent operation, it can be used with KYN28 Series switchgear.
      The structure of this vacuum circuit breaker is withdrawable truck, the spring mechanism in front of main circuit, the vacuum interrupter was casting in embedded pole. Equipped with isolated contacts and secondary air plug to connect to auxiliary circuit. The chassis was installed at the bottom of the frame of VCB, to realize the operation of push in and pull out for VCB in the case of switchgear door closed. It can meet the standard requirments of IEC62271-100、IEC62271-1、GB1984、GB/T11022 etc.
      Overall dimension (W×D×H mm):680×600×648、881×590×698.
Technical Parameters
      Altitude above sea level 2000m and below.
      Current rating up to 4000 A/40kA.
      Module type operating mechanism, simple construction and high reliability.
      Mid-set withdrawable truck, reliable transmission, save effort to push in.
      Monolithic casting embedded pole can avoided the vacuum interrupter suffer from mechanical impact, and the influence of the dust and moisture.
      Pass the type test from XIHARI, meet the performance of grade M2-E2-C2.
      Mechanical endurance for 20000 times and no maintenance or few maintenance.
Technical Parameters

Item

Unit

Data

Rated voltage

kV

12

Rated current

A

630、1250、1600、2000、2500、3150、4000

Rated frequency

Hz

50

Rated short circuit breaking current

kA

20、25、31.5、40

Rated Short-time withstand current

kA/4s

20、25、31.5、40

Rated short circuit making current

kA

50、63、80、100

Rated insulation level

Rated power-frequency withstand voltage

kV/1min

42

Rated lightning impulse withstand voltage

kV

75

Breaking number of rated short circuit breaking current

Times

50/30(40 kA)

Mechanical endurance

Times

30000/10000(40 kA)

 

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XD Baoji Electric Co.,Ltd
XD Baoji Electric Co.,Ltd
E-mail:xeec@xianelectric.com.cn
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