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)
  • Color:  Grey
  • Switch Type:  Single Circuit ON-OFF
  • Number of Switch Positions:  2
  • Number of Battery Inputs:  1
  • Alternator Field Disconnect:  No
  • Battery Combine:  No
  • Maximum Voltage:  32V DC
  • Continuous Rating:  600A DC
  • Intermittent Rating:  900A DC (5 min)
  • Cranking Rating:  1750A DC (30 sec)
  • Terminal Stud Size:  1/2"-13 (M12)
  • Terminal Stud Torque:  220 in-lb (24.86Nm)
  • Cable Size to Meet Ratings:  4/0 AWG (120mm²)
  • Clearance for 4/0AWG Cables:  1.10 in (27.94mm)
  • Mounting Hole Size:  Accepts a 1/4" (M6) Screw
  • Weight: 1.3 lbs (0.59kg)
  • Manufacturer: Blue Sea Systems
  • CE Listed
  • IP66 Rated
  • ISO 8846 Marine
  • SAE J1171 Marine
  • UL 1107
  • UL 1500
  • ABYC E-11