Description BLUE SEA SYSTEMS SI-ACR Automatic Charging Relay / BS-7610 Automatically combines batteries during charging, isolates batteries when discharging and when starting engines. HIGHLIGHTS 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. Ignition protected—safe for installation aboard gasoline powered boats. Supports high-output alternators up to 120 Amperes. Dual sensing. OPTIONAL FEATURES Start Isolation allows temporary isolation of House loads from Engine circuit during engine cranking to protect sensitive electronics from sags and spikes. Remote LED remotely indicates ACR states – requires optional LED. SPECIFICATIONS PART NUMBER: BS-7610 NOMINAL VOLTAGE: 12V DC, 24V DC START ISOLATION: YES AMPERAGE OPERATING CURRENT: 175mA (combined) 15mA (open) TERMINAL STUD TORQUE: 140 in-lb (15.82 Nm) CONTINUOUS RATING: 120A INTERMITTENT RATING: 210A (5 min) CABLE SIZE TO MEET RATINGS: 1/0 AWG LIVE CURRENT SWITCHING: 300A @ 12V DC STUD MATERIAL: Tinned Copper TERMINAL RING DIAMETER CLEARANCE: 1.12in (28.45 mm) TERMINAL STUD LENGTH: 0.875in (22.23 mm) TERMINAL STUD SIZE: 3/8″ – 16 (M10) RELAY CONTACT POSITION COMBINE 30 SEC: 13.6V @ 12 V, 27.2V @ 24 V COMBINE 90 SEC: 13.0V @ 12 V, 26.0V @ 24 V OPEN 10 SEC: 12.35V @ 12 V, 24.7V @ 24 V OPEN 30 SEC: 12.75V @ 12 V, 25.5V @ 24 V OPEN HIGH: 16.0V @ 12 V, 30.0V @ 24 V OVERVOLTAGE LOCKOUT: 16.0V @ 12 V, 30.0V @ 24 V UNDERVOLTAGE LOCKOUT: 9.5V @ 12 V, 19V @ 24 V WEIGHT: 1.25 lb (0.57 kg) OVERALL DIMENSIONS (LENGTH x WIDTH x HEIGHT): 80mm x 161mm x 212mm
