Blue Sea SI-ACR Automatic Charging Relay

The Starting Isolation (SI) Series of Automatic Charging Relays combines batteries during charging, but keeps them separated when not charging and during engine cranking, to protect sensitive electronics.

• 12/24 volt auto ranging voltage input
• Supports high-output alternators up to 120 amperes
• Senses charge source on either battery bank
• Low voltage protection prevents combining a charged battery with a drained one
• Hermetically sealed contacts and vaporproof
• Waterproof rated IP67 - temporary immersion for 30 minutes
• Onboard LED indicates when batteries are combined; output for remote LED
• Ignition protected - safe for installation aboard gasoline powered boats
• 3/8" tin-plated copper studs
• 1/4" male quick connect terminals for ground, remote LED, and starting interrupt
• Dimensions: 3.88"W x 3.50"H x 2.00"D