4 and 8 channel industrial relay cards for plc interface to external devices operating on relay.Various types of cards are available viz single changeover contact cards 2 changeover contact cards operating on 12v dc or 24v dc supply also offered are ac and dc solid staterelay cards for 4 or 8channel controls.The solid state reay cards are useful for fast switching of ac or dc loads,all relay cards can be mounted on the surface or can be mounted on any type of din rails.
