BLUE SEA Switch Battery M ON/OFF w/Knob Master Switch
The BLUE SEA Switch Battery M ON/OFF w/Knob is a master switch in the fuses and breakers category with a 300 A current rating. It provides single-circuit battery ON/OFF switching for boat electrical systems, and installers use its rotary knob actuator for local battery isolation.
Technical Specifications
| Switch type | Single Circuit ON/OFF Battery Switch |
|---|---|
| Current rating | 300 A |
| Actuator type | Rotary |
| Weight | 0.65 lb (294.83 g) |
| Dimensions | 3.32 x 2.95 x 2.95 in (84.33 x 74.93 x 74.93 mm) |
| Product category | Master Switches, fuses & breakers |
Compatibility & Applications
- Fits master-switch positions in battery disconnect layouts.
- Mounts as an ON/OFF battery switch with rotary knob actuation.
- Wires into boat electrical equipment for battery circuit control.
- Pairs with fuses and breakers in the listed product category.
For a boat electrical panel disconnect, the unit adds a 3.32 x 2.95 x 2.95 in switch body and a rotary knob interface. Its listed 300 A rating distinguishes it from unlisted generic ON/OFF cut-off switches.
