Blue Sea 7610 SI ACR Automatic Charge Relay with Start Isolation 12/24V DC 120A

Binnacle.com #:  25226
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Blue Sea 7610 SI ACR Automatic Charge Relay with Start Isolation 12/24V DC 120A

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Automatic Charging Relay with Start Isolation, combines batteries during charging but isolates batteries when discharging and starting the engines.
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Binnacle.com:   #25226
Brand:  Blue Sea Systems
MFG Part#:   7610
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Blue Sea 7610 SI-ACR Automatic Charge Relay with Start Isolation 12/24V DC 120A

Automatically combines batteries during charging, isolates batteries when discharging and when starting engines.
 
Features:
  • 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/vapor-proof
  • 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. See Instructions.
  • Remote LED remotely indicates ACR states - requires optional LED
An ACR senses when the voltage of either of the batteries rises to a level indicating that a charge source is active (13.0 V for 2 minutes). The ACR′s contacts then connect and the ACR applies the charge to both batteries. If the voltage on both of the batteries subsequently drops to 12.75 V for 30 seconds, the ACR will disconnect, isolating the batteries.

An ACR does not direct the charge to the battery that "needs it the most" or has the lowest terminal voltage. If there is a charge present on either battery, indicated by a high enough voltage, the ACR will combine the batteries.

An ACR will work with all charge sources, including an alternator, AC charger, or solar panel. However, low current charge sources might not produce the voltage rise required to force the ACR to combine.
Note: The BS 7610 SI-ACR automatically combines batteries during charging, isolates batteries when discharging and when starting engines. The addition of a Blue Sea Dual Circuit PlusTM Battery Switch will simplify the switching of two batteries to OFF or ON while still providing battery isolation between the engine and auxiliary battery. The Combine function can be used to parallel the batteries in the event of a low engine battery.


  BSS 7610 SI-ACR Instructions

  BSS 7610 Technical Brief FAQ Troubleshooting Matrix

Specifications

Continuous Rating 120 Amps
Intermittent Rating 210 Amps
Inrush Rating 280 Amps
Closed Current Draw 175mA@12 Volts
115mA@24 Volts
Open Current Draw 15mA
Maximum Cable Size 1/0 AWG
Terminal Stud Size 3/8"-16 (accepts M10 ring terminal)
Maximum Torque 140 in-lbs
Relay Contact Position: Combine (30 sec.) 13.6 Volts@12 Volt
27.2 Volts@24 Volt
Relay Contact Position: Combine (2 min.) 13.0 Volts@12 Volt
26.0 Volts@ 24 Volt
Relay Contact Position: Open Low (10 sec.) 12.35 Volts@12 Volt
24.7 Volts@ 24 Volt
Relay Contact Position: Open Low (30 sec.) 12.75 Volts@ 12 Volt
25.5 Volts@ 24 Volt
Relay Contact Position - Open High 16.0 Volts@12 Volt
30.0 Volts@24 Volt
Relay Contact Position - Open High 16.0 Volts@12 Volt

Meets ISO 8846, ignition protection, and UL 1500 and SAE J1171 external ignition protection requirements

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Money Back Guarantee
Guarantee You may return your purchase to us (with a return authorization number - use this form) within 30 days (45 days for Christmas gifts) and we will refund the purchase price of the product. Items which are cut to order (rope, wire etc), software, chart cards and printed materials (paper charts, books) are not returnable.

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