Cole Hersee M-750-BP Dual-Battery Selector & Master Disconnect Switch. Ideal for boats, emergency vehicles, buses, heavy trucks and RVs that use one battery for starting the engine and another battery to power auxiliary loads. Features SP3T (Single-Pull, Triple-Throw) circuitry which gives 4 options: batteries off, battery 1 on, battery 2 on, or both batteries on simultaneously. The battery cutoff position ensures reliable battery disconnection to protect against electrical fire, tampering/theft, and battery drain. The selector switch positions allow for maximum starting power and backup starting power during emergencies. 500A intermittent current at 12V DC for up to 5 minutes and 310A maximum continuous current. Water resistant.

Specifications:

- Current (Continuous): 310A
- Current (Intermittent): 500A (at 12V DC for 5 up to minutes)
- Voltage Rating: 6-36V DC
- Housing: Valox 325
- Input Terminals: 3/8-24 Studs
- Output Terminals: 3/8-24 Studs
- Mounting Method: Screws
- Mounting Hole: 3/8"
- Ignition Protection: UL-94