Overview

ZW43-12M type outdoor high-voltage permanent magnet vacuum circuit breaker, hereinafter referred to as the permanent magnet switch 1, is an outdoor high-voltage switchgear for three-phase AC 50Hz with a rated voltage of 12kV. The permanent magnet switch is mainly used as a substation 10kV outgoing line switch and as a line protection switch in 10kV class three-phase AC power systems for dividing and combining load currents, interrupting overcurrents, and short-circuit currents. The circuit breaker conforms to GB1984-2003 "High-Voltage AC Circuit Breakers", DL/T402-2007 "Technical Conditions for Ordering High-Voltage AC Circuit Breakers", and DU/T403-2000 "12kV-40.5kV High-Voltage Vacuum Circuit Breakers".

"Roadway Ordering Technical Conditions" and other technical standards.