Blue Sea 500A HD-Series Heavy Duty 4 Position (OFF/1/2/1+2) Battery Selector Switch Popular The unit also features built-in

The unit also features built-in temperature compensation (for lead-acid batteries) and automatically reduces power output if internal temperatures exceed safe operating limits

The base is manufactured from UL 94-V0 rated glass-reinforced thermoplastic

Voltage drop and corrosion are common causes of poor performance in marine and mobile power systems—especially in Australian coastal environments

Thermal Management: Includes a battery temperature sensor to automatically adjust charging parameters and protect your battery investment

Blue Sea 500A HD-Series Heavy Duty 4 Position (OFF/1/2/1+2) Battery Selector Switch Popular The unit also features built-inHigh Capacity Dual Battery Management for Marine and Vehicle Systems The Blue Sea HD Series Battery Selector Switch is engineered to manage high amperage power distribution in marine, RV, and heavy duty vehicle applications. As part of the 500A HD Series, this switch provides a robust solution for switching between two isolated battery banks or combining them for emergency starting power. Its rugged construction ensures reliability in demanding