- BLUE Switch Battery M Selector The BLUE Switch Battery M Selector is a battery switch designed for managing multiple battery banks, featuring a compact design with dimensions of 3 x 4 x 7 inches. It is installed in marine applications to control battery selection and isolation efficiently. Compatibility & Applications Mounts on bulkheads or dashboards in vessels up to 40 ft. Fits installations requiring battery selection for dual bank setups. Pairs with 12V DC systems in sailboats and powerboats. Replaces traditional rotary battery switches for easier access. Wires to NMEA 2000 systems for monitoring battery status. Integrates with various electrical systems for enhanced battery management. Supports installations in sportfishing boats and yachts. Compatible with both lead-acid and lithium batteries. The unit allows for efficient battery management in marine environments, ensuring reliable operation. It serves as a drop-in replacement for older rotary switches, enhancing accessibility and functionality, particularly in installations where quick battery selection is essential for operational efficiency.



