Blue Sea Automatic Charging Relay 12/24vDC 120A.

Blue Sea Systems Automatic Charging Relays

Models:

• SI-ACR Automatic Charging Relay - 12/24V DC 120A: 7610-BSS

• BatteryLink™ Automatic Charging Relay - 12/24V DC 120A: 7611-BSS

These Blue Sea Automatic Charging Relays are designed to manage battery charging efficiently while protecting sensitive electronics by isolating house loads from the engine circuit during engine cranking. They support dual sensing and automatic combining of batteries during charging, isolating them during discharge or start to maximize battery life and alternator output. Both models are suitable for 12 or 24 volt systems with auto-ranging voltage input.

Key Features

• Protect sensitive electronics with temporary isolation of house loads during engine cranking (SI-ACR)

• Dual sensing on both battery banks for accurate charge management

• Automatically combines batteries during charging and isolates during discharge/start

• Supports high-output alternators up to 120A continuous rating

• Hermetically sealed, vaporproof contacts ensure durability

• Ignition protected, safe for gasoline engine installations

• Convenient manual switch on SI-ACR for simple ON/OFF/Combine battery switching

Specifications Comparison

What’s in the Box

• 7610-BSS: SI-ACR Automatic Charging Relay with manual control switch

• 7611-BSS: BatteryLink™ Automatic Charging Relay

• Instruction manuals