DBZJW50A系列直流接触器适用于蓄电池或整流电源供电，用于操纵牵引，泵电动机以及其他电动车的电源开关操作。同时广泛用于通讯电源，不间断电源等电控系统。  ※简要技术数据Brief technical data序号参数名称parameters线圈和触点额定电压（伏）Coil & Rated volt of contact circuit(v)1224303640486072801线圈消耗功率小于15瓦，线圈最大电流（安）Ｃoil power dissipation<15(w),Max.Coil current (A)0.980.580.450.350.320.280.250.200.182主触点额定电流（安）Main rated load current of contact circuit额定电流50A Rated current 50A最大允许通过电流４le,5秒钟Max.Rated woringcurrent of contact circuit for 4le,5seconds3抗电强度Puncture(volt)strength50HZ 1000VAC 1min4动作时间Operating time冷态吸合时间Pickup(contact makes)≯30ms,冷态释放时间release(contact breaks)≯30ms5动作特性Action characteristic冷态吸合电压Pickup(contact makes)≯66%Us,冷态释放电压release(contact breaks)≯30%≮5%Us6机械寿命Mechanical life100万次100million times7电寿命Electric life额定电流Resistive load（τ＝１ms),1le,50000Ops;４倍电流Inductive load（DC-5):1le,10000Ops注：1.线圈参数可按用户要求更改Specifications subject to change as the customer request.    2.线圈电压48伏以上配置磁吹灭弧装置Coil voltage in above 48V with permanent magent blowouts.