General description Our Electromagnetic Auto Float Switch features an innovative electromagnetic design that is enclosed to prevent large debris from damaging the switch's mechanism. It is compatible with any manual bilge pump up to 25 AMPS and is mercury-free, ensuring a safer operation. Technical specifications Height: 80MM Length: 80MM Width: 54MM Max AMP: 25A Voltage: 12, 24, 32V DC Installation The quick attach base allows for simple maintenance, and 2 screws are included for easy setup.