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System maintains liftgate battery charge

The Permalogic Selector System is the latest development from Phillips Industries to address problems facing fleets running auxiliary equipment such as liftgates. This system is an intelligent controller that chooses the optimal source of power to fully charge liftgate batteries without the risk of draining power needed for other equipment functions.

For reefer fleets, the system automatically selects between the tractor (via dual pole) or the trailer's reefer unit as the source of power to continuously charge liftgate batteries to capacity. The tractor is the primary source of charge, but if the tractor voltage drops to 12.2 volts, the Permalogic Selector System will shut off this source of power to eliminate any low voltage starting issues. The system then utilizes the reefer for the power source if the reefer is operating correctly and producing more than 13.2 volts. The system will automatically shut off if it senses a problem with the reefer's electrical system and will not cause any out-of-balance issues with either the reefer unit or the tractor.

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