Contactor / Relay 40 Amp S.P.S.T. N.O.Single Pole Single Throw Normally Open24 VAC 50/60 Hz Coil VoltageRated 40 Amp Inductive Load or 50 Amp Resitive Loadat 240, 277, 480, 600 VACTerminals are Box Lug with 0.250 Quick ConnectBuilt to the ARI 780/790 standardVertical or Horizontal mountingMounting Holes are ~ 41mm center to centerThe XMCK series of Contactors are electromecahnical switching devices designed ideally for the HVAC industry.The most common applications are in refrigeration, air conditioning and heating.Other applications include elevators, food service equipment, cranes, hoists, welding machines, lighting, pumps, compressors, etc.American ZettlerXMCK-40D024DZ