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

Blue Sea® Systems HD-Series Heavy Duty Selector 4-Position Battery Switch features a make-before-break contact design that allows switching between battery banks without power interruption.

Features:

• Switches isolated battery banks to all loads or combines battery banks to all loads
• Includes Alternator Field Disconnect (AFD) protects diodes in alternator in the event of the switch being switched to the OFF position while engine is running
• Up to 500 Amps continuous rating for large diesel engines, high power output and low heat generation
• Ignition protected safe for installation aboard gasoline powered boats
• Case design allows surface or rear panel mounting options
• Accepts (2) 4/0 AWG battery cables
• Tin-plated copper studs for maximum conductivity and corrosion resistance
• Terminal studs accept 1/2" (M12) ring terminals
• 7/8" stud length accepts multiple cable terminals
• Blue Sea Systems one-piece terminal stud design never loosens over time
• One-piece stainless steel flange nuts ensure safe and secure connections
• Fits most Perko and Guest low-amperage battery switch hole patterns
• Tactile indicator conveys knob position by feel

Specifications:

• Switch type: Selector 4 position
• Color: Gray
• Alternator field disconnect: Yes
• Cranking rating (30 sec.): 1600 Amps
• Intermittent rating (5 min.): 700 Amps
• Continuous rating: 500 Amps
• Maximum operating voltage: 32V DC
• Regulatory:
  • Meets UL 1500 and SAE J1171 external ignition protection requirements
  • Ingress protection IP66 - dustproof/protected against heavy seas and jets of water from all directions
  • CE marked, ISO 8846, UL Listed - UL 1107 electric power switches
  • Meets American Boat and Yacht Council (ABYC) requirements for battery switches

HD-Series Heavy Duty Selector Battery Switch with AFD Instruction Manual