150A 200AHigh Voltage DC relay contactor 1、Ceramic Seal Structure, Filled In H2 Mixed gas, Resist Contacts Oxidation , Lead To Low Contact Resistance 2、A Group of Normally Open Auxiliary Contacts Built In 3、Ceramic Seal Structure With Magnetic Blow-out Technology, Realize Zero Arc, Assure Use Safety And Reliability 4、High Resistance To Short Circuit 5、Full Compliance With RoHS Requirements 6、UL CUL TUV CE CCC approved