Product Overview
ZW43M-12 series intelligent prepaid outdoor high-voltage vacuum circuit breaker (hereinafter referred to as switch) is a three-phase AC 50Hz, rated voltage 12kV outdoor high-voltage switchgear. The switch is mainly used as a 10kV outlet switch in a substation and a line protection switch for breaking overload current and short-circuit current in a 10kV three-phase AC power system.
The circuit breaker conforms to GB1984-2003 "High Voltage AC Circuit Breaker", DL/T402-2007 "High Voltage AC Circuit Breaker Ordering Technical Conditions" and DL/T403-2000 "12kV ~ 40.5 High Voltage Vacuum Circuit Breaker Ordering Technical Conditions" and other branch standards.
Conditions of Normal Use
◆ Ambient air temperature: upper limit +40°C, lower limit -40°C;
◆ Altitude: no more than 3000mm;
◆ Wind pressure: no more than 700Pa (equivalent to wind speed 34m/s);
◆ Air pollution level: no more than grade IV;
◆ Icing thickness: no more than 10mm;
◆ There is no fire, explosion hazard, chemical corrosion and severe vibration.
