or 4 payments of 
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
