Blue Sea 3003 HD-Series Heavy Duty Selector Battery Switch with AFD - 4 Position

HD-Series Battery Switches - HD-Series Battery Switch Selector 4 Position

  • Availability:
  • SKU: BSS.3003
  • Afd: AFD
  • Positions: 1-OFF-2-BOTH
  • Poles: Single Pole
  • Manufacturer: Blue Sea
  • MPN: 3003B
  • Barcode: 632085030032
  • Shipping Weight: 0.57kg
$164.80 inc GST


Recommended Accessories

All shipments are covered for loss or damage while in transit up to the point of delivery to the nominated shipping address. Insurance does not cover goods left on your premises under your instruction.

HD-Series Battery Switches - HD-Series Battery Switch Selector 4 Position


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
  • Meets American Boat and Yacht Council (ABYC) requirements for battery switches
  • 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
  • M12 tin-plated copper studs for maximum conductivity and corrosion resistance accepts 1/2"" and M12 ring terminals
  • 7/8"" (22.22mm) stud length to accept multiple cable terminals
  • Tactile textures indicate knob position by feel only
  • Case design allows surface or rear panel mounting

Switch set to 1

Switch set to 2

Switch set to 1 + 2



Switch Type  Selector 4 Position
Color Grey
Switch Positions 4
Battery Combine Yes
Alternator Field Disconnect  Yes
Maximum Voltage 32V DC
Terminal Stud Torque 220 in-lb (24.86 Nm)
Continuous Rating  500A
Intermittent Rating  700A (5 min)
Cranking Rating 30 sec  1600A
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
Stud Material Tinned Copper
Terminal Stud Size 1/2" (M12)
Weight 1.25Lb (0.57 Kg)
Weight 1.25lb (0.57 kg)

Enquiry Form

Be The First To Review This Product!

Help other Outback Marine Australia Pty Ltd users shop smarter by writing reviews for products you have purchased.

Write a product review