Perko 8504DP Medium Duty Battery Selector Switch w/Alternator Field Disconnect & Key Lock [8504DP] Marine Navigation & Instruments | Transducer Accessories A - 3 5/32" (80mm)

A - 3 5/32" (80mm)

Gusset at crotch

Overall Radii R (in) - 2 13/16

Double block with ball bearing sheaves and becket

Spinlock Double Bulls eye for leading low loaded lines safely

Perko 8504DP Medium Duty Battery Selector Switch w/Alternator Field Disconnect & Key Lock [8504DP] Marine Navigation & Instruments | Transducer Accessories A - 3 5/32" (80mm)Medium 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 running. Specifications: AFD: Yes