Curtis/Albright relays are DC contactors designed to energize or isolate the vehicle lights, electrical pumps, fans, heating elements, solenoid valves, etc., by means of the key switch. Curtis/Albright Main Power/Ignition Relays are eminently suitable for controlling the electrical services on heavy duty construction, forestry and agricultural vehicles and machinery. Additionally, suitable for Telecom rack mounted power supplies and static low current DC power systems.