Open Power Relay, Coil Volts 12V DC, AC Contact Rating - Relay 40A @ 300V, DC Contact Rating - Relay 30A @ 28V, Number of Pins - Relay 5, Contact Form - Relay SPDT, Mounting - Relay Surface, Power Consumption - Relay 4.0 W, Contact Material Silver Cadmium Oxide, Electrical Connection - Power Relay Screw