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Blue Sea Systems Automatic Charging Relay Only
Item No. 315631
Blue Sea Systems Automatic Charging Relay Only is rated 5.0 out of 5 by 1.
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Blue Sea Systems Automatic Charging Relay Only
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Blue Sea Systems Automatic Charging Relay Only

Blue Sea Systems Automatic Charging Relay Only is rated 5.0 out of 5 by 1.
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Item No. 315631
$80.74 $84.99
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Compare at $99.99
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Additional Information
Battery Switch isolates Start and House circuits, reducing the chance of fully discharging both batteries. This isolation also protects electronics from engine starting sags and spikes. Ignition protected system is safe for installation aboard gasoline-powered boats. Accepts up to 4/0 battery cables. Tactile textures indicate knob position by touch alone. Simple on/off switching in normal operation (with an ACR or isolator installed). Meets American Boat and Yacht Council (ABYC) requirements for battery switches. Fits all Perko and Guest low amperage battery switch hole patterns. 7/8" stud length to accept multiple cable terminals. Reinforced polycarbonate case design allows surface or rear panel mounting. 32V DC max. 300 amps continuous rating. Automatic Charging Relay (ACR) combines batteries during charging and isolates batteries during engine cranking and when not charging. Supports high-output alternators up to 120 amps. Features built-in LED lights to indicate when batteries are combined. Waterproof rated IP67. Senses charge source on either battery bank. 120 amps continuous rating. Lifetime warranty.
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  • Safe for installation aboard gasoline-powered boat
  • Accepts up to 4/0 battery cables
  • Tactile textures indicate knob position by touch
  • Simple on/off switching in normal operation
  • 32V DC max
Unit Weight 1.20 lb
Brand Blue Sea Systems
WARNING: Cancer and Reproductive Harm For more information, go to www.P65Warnings.ca.gov/product.
Rated 5 out of 5 by from Simple charging solution Work well for charging both banks of batteries with out all the switch flipping.
Date published: 2010-05-19
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will this relay allow your outboard motors alternator to charge the cranking battery as well as a secondary battery while the outboard is running?

Asked by: hybrid
Yes. The Blue Sea Systems Automatic Charging Relay Only will charge both batteries when the engine is running. It will charge the engine battery to 13.6 volts first and then transfer and charge the house battery.
Answered by: Steve
Date published: 2017-07-10
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