Make and break circuit current reliability High ability to prevent to vibration and impac Low noise Excellent overload current carrying capacity Epoxy resin encapsulation, the contact chamber is filled with protective gas, combined with magnetic blowing arc extinguishing, so that the product can carry high current and high voltage Sealed structure, low working noise Horizontal and vertical installation, no special requirements for installation location Comply with national standard GB/T14048.4, IEC60947 Compliant with EU RoHS Directive (2002/95/EC)