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Blue Sea Systems, 3003, HD-Series Heavy Duty Selector Battery Switch with AFD

  • Model: 3003
  • GTIN: 00632085030032
  • Manufactured by: Blue Sea Systems
  • Condition: New
  • Estimated Delivery: 1 to 2 Weeks
  • Lead Time To Ship May Vary

$181.47 $139.59

Manufacturer Info

Switches isolated battery banks to all loads or combines battery banks to all loads
  • Includes AFD (Alternator Field Disconnect)
  • Make-before-break contact design allows switching between battery banks without power interruption
  • Ignition protected - safe for installation aboard gasoline powered boats
  • Case design allows surface or rear panel mounting
  • Accepts two 4/0 AWG (95mm2) battery cables
  • Instructions
  • Mounting Diagram
Switch Type Selector 4 Position
Switch Positions4
Battery CombineYes
Alternator Field Disconnect Yes
Maximum Voltage32V DC
Terminal Stud Torque220 in-lb (24.86 Nm)
Continuous Rating 500A
Intermittent Rating 700A (5 min)
Cranking Rating 30 sec 1600A
Battery Inputs2
Cable Clearance For 4/0 AWG Cables1.10in (27.94 mm)
Cable Quantity to Meet RatingsTwo Cables / Terminal
Cable Size to Meet Ratings4/0 AWG (120mm2)
Mounting HolesAccept 1/4" (M6) Screw
Terminal Stud Size1/2" (M12)
Weight1.25lb (0.57 kg)

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