Blue Sea Systems M Series Mini Switch

BLUE SEA SYSTEMS m-Series Mini Battery Switch

Take complete command of your vessel or vehicle´s electrical system with the BLUE SEA SYSTEMS m-Series Mini Switch, the compact and robust solution for managing dual battery banks. Engineered for reliability in demanding marine and automotive environments, this switch provides essential control over your power distribution, ensuring safety and operational integrity. It is the ideal choice for applications where space is limited but performance cannot be compromised. Its intelligent and durable design makes it a cornerstone of any well-managed DC electrical system, providing peace of mind whether you´re on the water or on the road.

The primary function of this powerful switch is to manage power from two separate battery banks. It expertly Switches isolated battery banks to all loads or combines battery banks to all loads, offering unparalleled flexibility. A standout feature is the innovative Make before break contact design, which allows switching between battery banks without power interruption. This critical capability protects sensitive electronics, such as chartplotters, GPS units, and stereos, from sudden power loss and potential voltage spikes that can occur during switching, safeguarding your valuable equipment and ensuring your alternator is protected. This single-pole, double-throw (SPDT) switch is also ignition protected, making it safe for installation aboard gasoline-powered boats and vehicles.

Switches

Built to the exacting standards of Blue Sea Systems, the m-Series Mini Switch is designed for longevity and superior performance. Its compact footprint allows for versatile installation options, including surface or rear panel mounting, to seamlessly integrate into any console or electrical panel. The tin-plated copper studs provide maximum conductivity and high corrosion resistance, ensuring a solid and efficient electrical connection for years to come. The case design facilitates easy access for cabling, simplifying installation and maintenance. With its clear 4-position selector, you can confidently choose between Battery 1, Battery 2, Both, or Off, giving you precise control over your power sources for starting, house loads, or emergency paralleling.

Specifications:
- Switch Type: Selector 4 Position
- Switch Positions: 4
- Alternator Field Disconnect: No
- Maximum Voltage: 32V DC
- Continuous Rating: 300 A
- Intermittent Rating: 500A (5 min)
- Cranking Rating 10 sec: 1000A
- Cranking Rating 1 min: 650A
- Battery Inputs: 2
- Cable Clearance For 4/0 AWG Cables: 1.12in (28.45 mm)
- Cable Size to Meet Ratings: 4/0 AWG (120mm²)
- Mounting Holes: Accept 10 Screw
- Terminal Stud Size: 3/8´ - 16 (M10)
- Terminal Stud Torque: 120 in-lb (13.56 Nm)
- Weight: 0.77lb (0.35 kg)