Blue Sea System SI-Series Start Isolation Automatic Charging Relay automatically isolates batteries during starting to protect sensitive electronics and manages the charging of two battery banks. The 120 AMP continuous rating supports the high-output alternators. LED light indicates when batteries are combined and blinks when the undervoltage or starting isolation feature is engaged.
Features:
Side and bottom knockouts for power cable connections
Clip-on cover protects terminal connections
1/4" x .031" male quick connect terminals for ground, optional remote LED and starting isolation
Start Isolation (SI) can be configured for temporary isolation of house loads from engine circuit during engine cranking to protect sensitive electronics
12/24 volt auto ranging voltage input
Hermetically sealed contacts/vaporproof
Remote LED output indicates relay state away from ACR (required optional LED)