主要技术参数型号额定电压(工频)(V)额定电流(主电路)(A)主触头参数工频耐压V(有效值)主电路控制电路开距(mm)超程(mm)终压力(N)主电路辅助电路控制电路CZG21-150/6600022015030+0.3>1.5>702300025002000CZG21-250/660002202503+0.3>1.5>1002300025002000CKG3-160/660002201603+0.3>1.5>1002300025002000CKG3-250/660002202503+0.3>1.5>1002300025002000CKG3-400/660002204003+0.3>1.5>1002300025002000CKG3-630/660002206303+0.3>1.5>1002300025002000ZN-600/6600022060050+0.5>1.7>1002300025002000 型号接通能力分通能力极限分断电流(A)过载能力电寿命次数AC3机械寿命次数质量CZG21-150/610 Ie,100次8 Ie,25次2000,3次8 Ie,10s10×10450×1042.7kgCZG21-250/610 Ie,100次8 Ie,25次4000,3次8 Ie,10s10×10450×1042.7kgCKG3-160/610 Ie,100次8 Ie,25次2000,3次8 Ie,10s30×10450×10425.5kgCKG3-250/610 Ie,100次8 Ie,25次4000,3次8 Ie,10s30×10450×10425.5kgCKG3-400/610 Ie,100次8 Ie,25次4000,3次8 Ie,10s30×10450×10425.5kgCKG3-630/610 Ie,100次8 Ie,25次5040,3次8 Ie,10s30×10450×10427kgZN-600/610 Ie,100次8 Ie,25次5040,3次8 Ie,10s30×10450×10440kg