Heavy-Duty Battery Switches

A tried and true design for a wide variety of applications requiring larger amperage

Perko’s heavy duty battery disconnect and selector switches are super versatile. Because they are ignition protected, they can be installed almost anywhere, including engine rooms of gasoline powered boats. Compatible with 6V to 50V systems. Both models offer an alternator field disconnect feature to protect alternator diodes in the event the switch is turned to the “off” position while the engine is running.

Key Features

• Make before break feature allows switching between “1” “All” and “2” while the engine is running
• Alternator field disconnect feature to protect alternator diodes if the switch is turned to the OFF position while the engine is running
• Fiber reinforced polycarbonate construction
• Easy turn knob
• Ignition protected
• Five-year warranty

Specifications 8603 DP

• Switch Type: Dual Battery switch disconnect
• Switch Positions: 4
• Battery Combine: Yes
• Alternator Field Disconnect: Yes
• Maximum Voltage: 6V-50V
• Continuous Rating: 450A
• Intermittent Rating (duration): 1200A (15 sec)
• Cranking Rating (30Sec): N/A
• Battery Inputs: 2
• Cable Size to meet ratings: N/A
• Mounting Holes: # 10 Screws
• Terminal Stud size: 5/16"
• Dimensions: 5 ¼" x 5 ¼" x 3 3/8" D
• Weight: 1 Lb. (estimated)
• Approvals: UL Listed 716B, CE

Specifications 9703 DP

• Switch Type: Dual Battery switch disconnect
• Switch Positions: 2
• Battery Combine: No
• Alternator Field Disconnect: Yes
• Maximum Voltage: 6V-50V
• Continuous Rating: 450A
• Intermittent Rating (duration): 1200A (15 sec)
• Cranking Rating (30Sec): N/A
• Battery Inputs: 21
• Cable Size to meet ratings: N/A
• Mounting Holes: # 10 Screws
• Terminal Stud size: 5/16"
• Dimensions: 5 ¼" x 5 ¼" x 3 3/8" D
• Weight: 1 Lb. (estimated)
• Approvals: UL Listed 716B, CE

8606DP Instructions

9603DP Instructions