Perko 8503DP Medium Duty Battery Selector Switch w/Alternator Field Disconnect w/o Key Lock [8503DP] Brand_Digital Antenna it works just as well

it works just as well with all chain rodes for those who may want the extra security of an all chain systems combined with an elegantly styled

Rated IP66 - withstands water from heavy seas

Amperage: 80a

Raritan's water heaters use an ignition protected thermostat

Perko 8503DP Medium Duty Battery Selector Switch w/Alternator Field Disconnect w/o Key Lock [8503DP] Brand_Digital Antenna it works just as wellMedium Duty Battery Selector Switches Diameter: 5 1 4" Depth: 2 5 8" Polycarbonate Body with Brass Terminals Ignition Protected For use with 6 to 32 Volt Marine Electrical Systems Capacity 250 AMPS Continuous, 360 AMPS 5 Mins. Intermittent Terminal Stud Size: 5 16" When used with Non Unitized Alternators, these models will interrupt the field current (reducing the possibility of damage) if turned "OFF" with the engine runnin Specifications: AFD: Yes