Perko Medium Duty Battery Selector Switch - 250A Continuous [8501DP]

Medium Duty Battery Selector Switch - 250A Continuous

Measurements & Dimensions

• Diameter: 5-1/4 inches

• Depth: 2-5/8 inches

• Terminal Stud Size: 5/16 inch

• Mounting Fasteners: #10 screws (utilizes the traditional Perko bolt circle pattern for seamless replacement or new installs)

Specifications & Materials

• Model / MPN: 8501DP (Perko Figure No. 8501 Series)

• Body Construction: Red polycarbonate housing with a large, easy-to-turn black knob and brass terminals

• Electrical Capacity:

  • Continuous Rating: 250 Amps

  • Intermittent Rating: 360 Amps (5-minute rating)

• System Compatibility: Designed for use with 6 to 32 Volt DC marine electrical systems (alternators and generators)

• Switch Positions: 4 positions (Off, 1, All, 2)

• Key Functional Features:

  • "Make before break" design, allowing safe switching between battery banks while the engine is running

  • Ignition protected, making it safe for installation in engine rooms of gasoline-powered boats

  • Automatically interrupts the field current to help prevent alternator damage if turned "OFF" with the engine running (when used with non-unitized alternators)

WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.