AC high voltage vacuum circuit breaker ZW51-12/D series outdoor column

SUMMARY
AC high voltage vacuum circuit breaker ZW51-12/D series outdoor column (hereinafter referred to as the "circuit breaker") is rated voltage 12kV, three-phase AC 50Hz outdoor distribution equipment, the three-phase power system, mainly used for breaking, Guan He in a three-phase power system load current, overload current and short-circuit current. Product conforms to the standard GB1984-2003 "AC high voltage circuit breaker".

 Using Environmental Conditions
1 ambient air temperature: upper limit of +40℃, lower -30℃(general area), -40 C (alpine region);
2 Altitude≤1000m (if the elevation, is rated insulation level increase);
3 Wind pressure: no more than 700Pa (equivalent to the wind speed 34m/s);
4 Earthquake intensity: no more than 8 degrees;
5 Pollution level: grade IV;
6 Maximum daily temperature difference: no more than 25℃.

Functional Characteristics
1 using the outdoor epoxy casting process, the vacuum arc extinguishing chamber and the current transformer casting to form an integrated solid insulation maintenance free phase column components, no oil, no gas, no pollution.
2 vertical split phase layout, easy to install and adjust.
3 all stainless steel case, no corrosion of worry.
4 with permanent magnetic actuator, to adapt to the requirements of different occasions.
5 equipped with electronic control unit to become intelligent circuit breaker, can realize the "four remote" monitoring.
6 CT power supply, PT power supply, solar power supply, a variety of power supply, safe and reliable.

MAIN TECHNICAL PARAMETERS