The Perko 8503DP Battery Selector Switch allows for two or more batteries, and comes with built in Alternator Field Disconnect (AFD)protection to protect the alternator if the switch is accidentally switched to the "Off" position while the engine is running.
The Perko 8503DP Battery Selector Switch permits selection between batteries for starting and charging or allows of both batteries to operate in parallel.
The 8503DP can also serve as an emergency main disconnect in the event of an electrical problem. "Make before Break" design, ignition protected and UL Listed.
Rated at 250A Continuous, 360A Momentery. Maximum 32V DC