Guest 2111A Heavy Duty Battery Selector Switch

The Guest 2111A Heavy Duty Battery Selector Switch is a marine-grade electrical component designed for multi-battery management on vessels of all sizes. This switch is ideal for those managing dual engine banks, auxiliary house systems, or combining starting and auxiliary power sources, providing precise control over battery selection for critical onboard systems.

Constructed with heavy-duty marine-grade materials, the 2111A is built to resist corrosion from salt spray and humidity, ensuring reliable performance in harsh marine environments. Its design allows for easy switching between battery sources without voltage drop or arcing, protecting sensitive electronics from damage.

This switch is essential for anyone relying on dual-bank electrical systems, such as charter captains and recreational boaters. Its compact footprint makes it easy to install in tight spaces, while the positive feedback mechanism ensures users are always aware of which battery bank is active, preventing accidental load shifts.