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Blue Sea Systems Selector Battery Switch 11003

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HD-Series Heavy Duty 3 Position Selector Battery Switch with AFD 11003 - Blue Sea Systems

Product Condition: NEW
Blue Sea Systems Selector Battery Switch 11003
Estimated ship date: for orders by 3pm PT/6pm ET today Available for back order.

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  • Includes AFD (Alternator Field Disconnect) - Alternator Field Disconnect (AFD) protects the diodes in the alternator in the event of the switch being switched to the OFF position while the engine is running
  • Ignition protected - Safe for installation in vehicles where gasoline vapors may be present, including boats
  • Case design allows surface or rear panel mounting
  • Accepts two 4/0 AWG (95mm²) battery cables
  • Lifetime replacement warranty



  • Part No.: 11003
  • Switch Type: Selector 3 Position (Switches isolated battery banks to all loads)
  • Color: Grey
  • Switch Positions: 3
  • Battery Combine: No
  • Alternator Field Disconnect: Yes
  • Maximum Voltage: 32V DC
  • Continuous Rating: 500A
  • Intermittent Rating: 700A (5 min)
  • Cranking Rating 10 sec: 2750A
  • Cranking Rating 1 min: 1150A
  • Battery Inputs: 2
  • Cable Clearance For 4/0 AWG Cables: 1.10in (27.94 mm)
  • Cable Quantity to Meet Ratings: Two Cables / Terminal
  • Cable Size to Meet Ratings: 4/0 AWG (120mm²)
  • Mounting Holes: Accept 1/4" (M6) Screw
  • Terminal Stud Size: 1/2" (M12)
  • Terminal Stud Torque: 220 in-lb (24.86 Nm)
  • Weight: 1.30lb (0.59 kg)

Additional Information

Product Condition NEW
upc 632085110031

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