Dolphin Automatic Charge Selector 12V/50A
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Dolphin Automatic Charge Selector 12V/50A
The Dolphin Automatic Charge Selector (ACS) is a smart, 100% waterproof (IP67) and compact voltage-sensing relay that automatically manages the charge function between your start and service battery banks. Ideal for outboard engine boats, it automatically detects and selects the most appropriate charging source for the vessel's battery bank, ensuring batteries are always charged optimally while preventing overcharging or deep discharge that could damage batteries or leave the vessel without sufficient power.
With ACS, there is no need for manual battery selection, no risk of drained batteries, and no moving parts with a high failure rate. The unit eliminates battery voltage drop and reduces operating amperage by up to 70% compared to other voltage-sensing relays currently on the market. It is particularly recommended for use with Lithium batteries.
Key Features
- 100% Waterproof: IP67 certified — truly submersible protection for harsh marine environments
- MOSFET-based Current Limit Function with one-way blocking diode function prevents domestic (house/service) battery voltage drop when starting the engine or bow thruster
- Protects sensitive onboard electronics such as GPS from voltage spikes during engine start
- ISO 8846 certified — intrinsically safe against ignition of atmospheric flammable vapors, safe for installation on gasoline outboard engine boats
- Reduces amperage operating current by up to 70% versus competing voltage-sensing relays
- Recommended for use with Lithium batteries
- Includes multi-colour LED control indicator
- Includes remote operation switch contact
- Compact design suitable for space-constrained installations
- Also available as #99207 ACS 12V/80A 190A max (peak)
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