Coates - Electric Spa Heater Contactor, 50A, 3PC-240
Coates electric spa and hot tub heaters use this contactor 3PC-240, or Coates Contactor 21001000. 3-Pole, 208/240 VAC Coil, 50 Amp contactor acts as a heater switch similar to a relay, but for higher currents. Made by Furnas and built by GE as a Coates Heater Contactor.