Blue Sea Main Battery Switch ON-OFF-DUAL Black M Series

Blue Sea Main Battery Switch ON-OFF-DUAL Black M Series is a reliable double-pole main battery switch that allows you to simultaneously connect or disconnect two separate battery banks from the electrical system. It is ideal for boats with separate start and house batteries or for installations with two independent electrical systems. Looking for a high-quality main battery switch for high current applications? The Blue Sea M Series provides a safe and simple way to manage two separate battery banks with a single switch. Its compact design, high current capacity, and proven Blue Sea Systems reliability make it an excellent choice for demanding marine environments. Safe power control for two battery banks The double-pole design allows simultaneous switching of two independent battery banks on or off. This simplifies maintenance, winter storage, and safe system shutdown when the vessel is not in use. The switch keeps the battery banks fully isolated and does not include a combining function, making it ideal for systems where separation is required at all times. High current capacity for demanding use A continuous rating of up to 300 A, along with strong cranking current capability, makes the switch suitable for powerful engines and larger onboard electrical systems. Robust M10 terminal studs allow secure connection of large cable sizes. The reliable construction minimizes voltage drop and ensures stable power distribution under all operating conditions. Compact and clean M Series design The black switch integrates discreetly into modern electrical installations while providing clear ON/OFF operation. Its compact M Series form factor allows for easy installation even in tight spaces. Features: • Double-pole ON/OFF main battery switch • Simultaneous control of two separate battery banks • Suitable for start and house battery systems • No battery combining function • Compact M Series design • Clear ON/OFF operation • Designed for demanding marine environments • Black finish Technical Specifications: • Switch type: Double-pole • Positions: ON / OFF • Color: Black • Max voltage: 32 V DC • Continuous current: 300 A • Intermittent current (5 min): 450 A • Cranking current (30 sec): 675 A per circuit • Battery connections: 2 • Terminal size: M10 (3/8″–16) • Tightening torque: 13.56 Nm • Cable seal: 28.45 mm (4/0 AWG) • Recommended cable size: up to 120 mm² (4/0 AWG) • Mounting: compatible with #10 screws • Weight: 0.36 kg The Blue Sea Main Battery Switch ON-OFF-DUAL Black M Series is an excellent choice for boat owners who need safe and reliable control of two separate battery banks. Its high current capacity, compact construction, and trusted Blue Sea Systems quality ensure dependable performance year after year.