Blue Sea Systems HD-Series Heavy Duty On-Off Battery Switch


The Blue Sea Systems HD-Series Heavy Duty On-Off Battery Switch line is for high amperage applications.  Select models of these switches can handle up to 1750A for 30 seconds!

  • Ignition protection makes it safe for installation on gasoline powered boats
  • Multiple mounting options due to case design: surface or rear panel
  • Up to 600A DC continuous rating (higher ratings for short intervals for intermittent and cranking)

Switch Type- Single Circuit ON-OFF

Color- Grey

Switch Positions- 2

Battery Combine- No

Alternator Field DisconnectNo

Maximum Voltage- 32V DC

Terminal Stud Torque- 220 in-lb (24.86Nm)

Continuous Rating- 600A

Intermittent Rating-  1750A

Battery Inputs- 1

Cable Clearance For 4/0 AWG Cables- 1.10 in (27.94)

Cable Quantity To Meet Ratings- Two Cables

Cable Size To Meet Ratings- 4/0 AWG

Mounting Holes- Accepts 1/4" (M6) Screw

Terminal Stud Size- 1/2" (M12)

Weight- 1.30lbs

  • CE Listed
  • IP66 Rated
  • ISO 8846 Marine
  • SAE J1171 Marine
  • UL 1107
  • UL 1500
  • ABYC E-11