Image is Representational - See Manufacturer Specs | Electromechanical Contactor - 37A - 110/120VAC - DIN Rail. The CA7-37-00-120 is 3-pole 37 AMP contactor with a 110v50Hz/120V60Hz AC rated coil that is reversible so coil connections can be put on the bottom on the contactor. This contactor can be base mounted or snapped onto 35mm DIN rail.