0My Cart

Product was successfully added to your shopping cart.

Blue Sea HD Battery Switch Single ON/OFF

Cat.No:  84431

Availability: In stock

RRP: $138.00

our price $119.90
Home Delivery Delivery Information
Shipping Rates:

A heavy duty, efficient battery switch with extremely low internal resistance and a 300 amp continuous rating.
With AFD (alternator field disconnect) protection.

The switch can be flush or surface mounted on a 3 5/8" (92 mm) diameter cut out. Comes with cable entry slots. 
Made in U.S.A. Size 100 mm (4") x 100 mm (4") x 70 mm (2 3/4").


  • 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
  • Switch Type: Single Circuit ON-OFF
  • Color: Grey
  • Switch Positions: 2
  • Battery Combine: No
  • Alternator Field Disconnect: No
  • Maximum Voltage: 32V DC
  • Terminal Stud Torque: 220 in-lb (24.86 Nm)
  • Continuous Rating: 600A
  • Intermittent Rating: 900A (5 min)
  • Cranking Rating 30 sec: 1750A
  • Battery Inputs: 1
  • Cable Clearance For 4/0 AWG Cables: 1.10in (27.94 mm)
  • Cable Size to Meet Ratings: 4/0 AWG (120mm²)
  • Mounting Holes: Accept 1/4" (M6) Screw
  • Terminal Stud Size: 1/2" (M12)
  • Weight: 1.30lb (0.59 kg)

Australia's largest marine accessories retailer. Serving boat owners since 1962. With sixteen big supermarkets and mail order departments Australia wide Whitworths Marine & Leisure offers the best service, convenient locations, a huge selection of quality products, and unbeatable prices.