... contact block,timer delay & machine-interlocking device etc,it becomes the delay contactor,mechanical interlocking contactor,star-delta starter..With the thermal relay,it ... diode as standard)Varistor........Diode--.--.--RC circuit........Bidirectional peak....... ..InterfacesRelay........Relay+override function........Soild state........Contactor type referencesor--3PLC1D09LC11-12LCS-1 ...