Outdoor Vacuum Circuit Breaker

outdoor vacuum circuit breaker

1 General state
The SC40300 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.

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.

3 Major technical parameter

3.1 Specified parameter

3.2 The parameter of physical characteristic

4 Appearance and installation size

Chart 4 the circuit breaker external dimensions and install the dimensional drawing

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

  Please contact Ms.Amy YIN --- yinamy9@gmail [dot] com and sikeqd@126 [dot] com