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Mains undervoltage alarm circuit 2
Source: InternetPublisher:三岁就很酷 Keywords: Alarm circuit potentiometer power supply Updated: 2020/08/16
When the mains voltage is under-voltage,
relay KA is closed, turning on the alarm circuit , or cutting off the
load power supply . Adjust the potentiometer RP to change the undervoltage alarm
limit.
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