The Eaton contactor relay operating at 24Vdc has interlocked opposing contacts and screw terminal connection technique. It has 2 N/O(normally open) and 2 N/C(normally closed) contacts. The safe isolation to EN 61140 between coil and auxiliary contacts is 300 V AC. DC operation Standards met are IEC/EN 60947, EN 60947-5-1, VDE 0660, UL, CSA Lifespan, mechanical DC operated [Operations]: 20 x 10^6 IP20 degree of protection Integrated diode-resistor combination