Rule Super Switch Bilge Pump Float Switch 37AThe Rule Super Switch Float Switch is a non-mercury bilge pump float switch designed for the toughest applications and used with bilge pumps drawing up to 20 Amps. Rule Float Switches are for automatic on/off bilge pump control. This switch will activate the pump when the water level reaches 2" and will turn the pump off when the water level falls to 3/4". Includes highly abrasion resistant, marine-grade 14 gauge blocked wire. The Super Switch features a larger float for increased buoyancy and detachable mounting base allowing for easy servicing.Features: Removable base ; Exclusive moisture tight seals; Mercury-free; 5 year warranty; Specifications: Voltage: 12/24/32 VDC; Amp draw: 20 amp (12V), 10 amp (24V), 6.5 amp (32V); Dimensions: 5" L x 2" W x 2" H; Wire size: 14 AWG; Wire length: 28"; Click here for Rule Rule-A-Matic Plus Bilge Pump Float Switch Instruction Manual