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Blue Sea SI Series Auto Charging Relay

Automatically manages the charging of two battery banks and isolates batteries during starting to protect sensitive electronics.


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Starting At: $64.34

Additional Information

  • Protects sensitive electronics by temporary isolation of house loads from engine circuit during engine cranking
  • Designed for 12 or 24 volt systems
  • 12/24 volt auto ranging voltage input
  • Hermetically sealed contacts/vaporproof
  • Waterproof rated IP67—temporary immersion for 30 minutes
  • Ignition protected—safe for installation aboard gasoline powered boats
  • Remote LED output indicates relay state away from ACR
  • Supports high-output alternators up to 120 Amperes
  • Dual sensing

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