Blue Sea Systems m-Series 3-Position Battery Selector Switch - Red
Model: 6008-BSS
- Tin-plated copper studs offer top-notch conductivity and corrosion resistance
- 3/8' (M10) ring terminals fit the studs
- 7/8' (22mm) stud length can hold multiple cable terminals
- One-piece terminal stud design from Blue Sea Systems stays tight over time
- Isolating cover with snap-on parts protects rear contacts
- Case allows surface or rear panel mounting
- Waterproof - rated IP66 against powerful water jets
- One-piece stainless flange nuts ensure secure connections
- Breakout tabs let wires access from any direction
- Ignition protected - safe for gas-powered boats
Switch a single battery to a single load group.
SpecificationsSwitch Type | 3-Position Selector |
Color | Red |
Switch Positions | 3 |
Battery Combine | No |
Alternator Field Disconnect | No |
Maximum Voltage | 32vDC |
Stud Size | 3/8' |
Terminal Stud Torque | 120 in-lb (13.56 Nm) |
Continuous Rating | 300A |
Intermittent Rating | 500A (5 min) |
Cranking Rating 30 sec | 900A |
Battery Inputs | 2 |
Cable Clearance For 4/0 AWG Cables | 1.12in (28.45 mm) |
Cable Size to Meet Ratings | 4/0 AWG (120mm) |
Mounting Holes | Accept #10 Screw |
Stud Material | Tinned Copper |
Stud Torque | 120 in-lb (13.56 Nm) |
Terminal Stud Size | 3/8' - 16 (M10) |

Using this Blue Sea battery switch is easy. First, decide if you want to mount it on a surface or the rear panel. Then, connect the battery inputs and the load group. Make sure to use 4/0 AWG cables to meet the ratings. You can use 3/8' (M10) ring terminals on the tinned copper studs. The switch has three positions, so you can turn it on or off as needed. When it comes to safety, this switch is ignition protected, which means it's safe for gasoline - powered boats. It's also waterproof against powerful water jets, so it can handle tough conditions. As for maintenance, check the terminal stud torque regularly to make sure it stays at 120 in - lb (13.56 Nm). If you notice any signs of corrosion on the studs, clean them gently. Keep the isolating cover on to protect the rear contacts. That's it, and you'll have a reliable battery switch for your boat.