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Automatic Charging Relay "ACR" 

Automatic Charging Relay "ACR"

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)
  • Senses charging on two battery banks
  • Intermittent rating: 5min. = 210 AMPS
  • Continuous rating = 120 AMPS
  • Amperage operating current = 15mA
  • Maximum cable size = 1/0 AWG
  • Amperage operating current -
  • 12 Volts DC = 175mA
  • 24 Volts DC = 115mA
MSRP: $143.95
Your Price: $137.99
You Save: 4% off MSRP!

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