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Outdoor High Voltage Vacuum Circuit Breaker - China

price: contact company for price

Description & Application

The rated voltage of VSB1 AC outdoor high voltage vacuum circuit breaker include two classes of 12kV & 24kV. Both of them belong to 50Hz three- phase distribution equipment. It adopts vacuum arc extinction and SF6 gas as insulator medium with excellent performance of tightness and electrical insulation. It is full of SF6 gas without leakage easily and not affected by external environment. The spring operation is with miniaturization design and optimization of reliability and stability, adopting main drive of straight moving chain and multistage release system. The action reliability and stability enhance several times than domestic traditional spring operating mechanism. Between axis and cover, the contacts of major loop use adduction and extension type chain structure, with small contact resistance and low temperature- rise. Therefore, VSB1 outdoor pole- mounted vacuum circuit breaker is a no- maintenance and the best product in pole- mounted circuit breaker market.

Application Conditions

1. Elevation: ≤ 1000m less than 1000m ( include 1000m)

2. Ambient Temperature: - 40℃ ~+40℃ - 40~+40, Daily Temperature Difference: ≤ 25℃ less than 25 degree ( include 25)

3. Wind Speed: ≤ 35m/ s less than 35m/ s ( include 35)

4. Application Site: without inflammable, explosion hazard, strong chemical corrosion ( such as acid, alkali or fume etc. ) and violent vibration.


Company Contact:


  • Phone: 8618150077026

  • Address: No 26, Xiangming Road, Xiamen, China

  • Email: Email

Published date: March 11, 2015 -

  • Business Description: DNK(Xiamen) Electrical Co.,Ltd is a professional electrical manufacturer, which was established in 2008. We are selling 10 40.5kv disconnect switch, dropout fuse cutout, circuit breaker, load break switch, fuse link etc. If you have any interest, kindly contact us in any time. We are always at your service.

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