Hv Circuit Breaker

HV Circuit Breaker

1 General state
The 8-12 ZW type outdoor vacuum circuit breaker of high voltage ( following abbreviation circuit breaker) can divide into used in the three-phase power system of 50 alternating Hz-12 kVs the load current that joins circuit, overload current and the fault current of short circuit, the room control of electrical network is protected equipment after circuit breaker and switch-disconnector are made up ( following abbreviation combination circuit breaker), page may use as section switch.

HV Circuit Breaker
2 Operating ambient conditions
A. Environmental temperature - 40 ° C ~ + 40 ° C
B. Elevation does not exceed 2000 mm and 2000 mm more negotiate with user
C. Wind pressure does not exceed 700 Pas ( is equivalent to the 34 m/ses of wind speed);
D. The daily mean of relative humidity does not be larger than 95%, mean monthly value does not be larger than 90%
E. Air filthy level III level
F. Around air should not get corrosivity gas or combustibility gas and other obvious pollution;
G. Without regular violent sport;
H As the silicon rubber of insulation medium, should accord with GB655 386, concerning make application suit ask.






Chart 5 the combination circuit breaker structure and the external dimensions, install dimensional drawing 1 to contact bit 2 to touch knife place 3 to touch the knife prop 4 insulations tension bars 5 handles 6 isolators support 7 circuit breakers

Zhejiang Xiya Electric Equipment Co., Ltd. Was founded in 1995, invest about more than RMB 10 million, one of the high-tech enterprise of production, sales, research and development. The company covers a land area of 5 acres. We are specialized in manufacturing dropout fuse cutout, zinc oxide arrester, isolating switch, lightning protection insulator, composite insulator, bushing and surge protector and complete sets of products. Our company has been elected to Two-Net reconstructing enterprise by Nation Economy & Trade Committee.