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  1. naaadiaa

    48 V Low voltage alarm circuit for Battery rectifier / charger

    Hello there, It is requested to please help me design a circuit for 48 volts rectifier/charger to operate a buzzer on its failure, with a variable to adjust the dropout voltage. Circuit should mark the relay and sound the buzzer as soon as the charger voltage drops to 47 or 46 volts and it...
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