6 MAIN CONTACTS TIMING CHANNELS ， 6PRE-INSERTION RESISTOR CONTACTS TIMING CHANNELS , 6AUXILIARY CONTACTS TIMING CHANNELS , COIL CONTROL , 4COIL CURRENT MEASUREMENT CHANNELS, 2 3ANALOG INPUT CHANNELS , THERMAL PRINTER (BUILT-IN), “FIRST TRIP” TEST,BSG,RMO,DRM500A
Contact resistance, dynamic resistance, coil resistance, time test, displacement test, etc
