BLUE SEA Switch Battery M ON/OFF w/Knob
The BLUE SEA Switch Battery M ON/OFF w/Knob is a marine battery switch designed for 12/24 V DC systems, featuring a weight of 0.65 lbs and dimensions of 3 x 4 x 7 inches. This unit enables efficient control of battery power onboard vessels, ensuring reliable operation in marine environments.
Compatibility & Applications
- Mounts easily on the dash of boats up to 30 ft.
- Wires to 12V and 24V DC electrical systems.
- Pairs with multiple battery configurations for optimal power management.
- Replaces standard battery switches in sailboats and motorboats.
- Integrates with existing wiring for simple installation without modification.
- Fits in the typical mounting locations of marine electrical panels.
- Compatible with Blue Sea Systems’ battery management products.
- Can be used in conjunction with NMEA 2000 systems for enhanced monitoring.
The unit provides a reliable means to control battery power, ensuring quick disconnection in emergencies. Its robust design, IP66 rating, and UV-resistant finish make it resistant to water and dust, distinguishing it from standard switches. An example installation includes use on the control panel of a 25-foot sailboat, where it facilitates easy access for power management.







