Blue Sea 3001 HD-Series Heavy Duty On-Off Battery Switch with AFD


HD-Series heavy duty On/Off battery switch with AFD. Rated for 600A continuous and 62V DC max. Includes AFD (alternator field disconnect) to protect the diodes in an alternator when the battery switch is inadvertently turned to the “OFF” position – Essentially deactivating the alternator output.

Switches a single battery to a single load group

  • Includes AFD (Alternator Field Disconnect)
  • 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
Weight 1.3 lbs

Blue Sea Systems

Component Type

Battery Disconnect

System Voltage

12V, 24V


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