10mm dc semiconductor solid state relays din rail mounting crydom dra1 mpdcd3 a 3a 60v dc solid state relay that is a din rail mounting device that has high current switching capability as a solid state device it provides wear free switching of resistive capacitive and inductive loads such as motors contactors magnetic valves and heating elements crydom dra1 mpdcd3 solid state relay din module 3a 3 32vdc