Honeywell R841C1227/U Electric Heater Relay, Coil: 24 VAC, Contact Configuration: SPST, Contact Rating: Full Load: 7 AMP At 208/240/277 VAC, 14 AMP At 120 VAC; Locked Rotor: 42 AMP At 208/240/277 VAC, 84 AMP At 120 VAC; Resistive: 22 AMP At 120/208/240 VAC, 19 AMP At 277 VAC, Connection: Lead Wires, 50/60 HZ, 2-13/16 IN Width X 1-1/2 IN Depth X 3-7/8 IN Height, -29 To 66 DEG C, UL And CSA Listed, For Use With Two-Wire, 24 VAC Thermostat To Control Electric Heating Equipment Such As Baseboard, Ceiling Cable And Duct Heaters