The Eaton DPE401120 Definite Purpose Contactors, 40 Amps, 1 Pole, 120V these are single- and two-pole, Type C25 contactors feature a compact, efficient design with a low VA coil and straight-through wiring. Its housing design effectively limits dust and other contaminants from magnet structure reduces or eliminates noise. They are UL recognized/CSA certified. This product was made for the DiversiTech branded items.