“20 Amp Heater Switch” is an electrical switch designed to withstand an electrical current of up to 20 Amp and is usually used to turn an electric heater on and off. Carrying a current of 20 Amp is considered a large capacity and is mostly used to connect high-consumption electrical devices such as electric water heaters. General specifications:• Item category: MV4787NWHI Brand: MK Type: Heater switch Color: White Current: 20 amps Voltage: 250 volts Number of switches: 1 Protection degree: IP20