Blue Sea 500A HD-Series Heavy Duty 4 Position (OFF/1/2/1+2) Battery Selector Switch w/ AFD Popular Ignition protected for safer installation

Ignition protected for safer installation in engine spaces and enclosed compartments

Unlike generic grade products that may utilise brass or lower-grade alloys

The flexible form factor makes it easier to mount on subtly curved surfaces and low-clearance rooftops

maintenance‑free

this unit simplifies the switching process by simultaneously connecting two isolated battery banks to their respective loads with a single ON position

Blue Sea 500A HD-Series Heavy Duty 4 Position (OFF/1/2/1+2) Battery Selector Switch w/ AFD Popular Ignition protected for safer installationConfident control of dual battery banks for marine and RV power Managing multiple battery banks on a boat, 4WD or caravan often means balancing two priorities: keeping critical loads powered and protecting your charging system. The Blue Sea HD Series 4 position battery selector switch with AFD is built for high current installations where dependable changeover and battery isolation matter. It gives you clear, manual control to run from Battery 1,