ELECTRICAL RATINGS Do not exceed the maximum electrical ratings of the WPC-2. A circuit breaker rated at 20Amps at 120VAC must installed in the breaker panel to connect to the WPC-2 power input. Circuit 1 and Circuit 2 are each rated for use of up to 8Amps @ 120VAC. The Pump Relay is rated at a maximum of 3HP @ 240VAC.