Blue Sea 500A HD-Series Heavy Duty 4 Position (OFF/1/2/1+2) Battery Selector Switch w/ AFD Popular space-efficient solution with keyed operation

space-efficient solution with keyed operation and marine-ready design

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

and monitoring systems

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

sensitive electronics without electrical noise

Blue Sea 500A HD-Series Heavy Duty 4 Position (OFF/1/2/1+2) Battery Selector Switch w/ AFD Popular space-efficient solution with keyed operationConfident 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,