This is a Polar 50 amp 4 pole contactor for an HMR or HNVR CB 7-3 sauna heater. This part also the original equipment manufactured contactor for the Helo sauna heater called the MA, as well as the Finnleo, Amerec and McCoy sauna heaters. This part is an Original Equipment Manufactured part that is made in Finland.
This OEM part is a UL listed part to comply with your home owner's insurance policy. The UL certification ensures that you are buying a product that has been rigorously tested and evaluated by the leading body in North America for safety and electrical compliance.