This bilge pump switch panel from Seaflo has three positions (automatic, off and manual) plus a fail safe spring that will return to off from the manual position, so you can't leave your bilge pump running by accident. The switch panel helps prevents the impact of an intermittent high current.
Technical Specifications:
Dimensions: 57 x 71mm.
LED Light: Yes.
Panel Material: Aluminium.
Position: MAN-OFF-AUTO.
Voltage: 12 & 24V.
Weight: 0.1lbs.