Power Failure Circuit

Power Shutdown has now become common occurrences.

This A/C power line gives an alert in event of a power failure. The incoming A/C is rectified by D1 and dropped by R1 or R2 to limit the current. The System works directly on the mains.

Parts List to make a Power Failure Alarm

ALARM-BELL or BUZZER which is battery operated

C1-50uF 150VOLTS

D1-by126

N-Neon jewel light with built in resistor R3

R1-22K 1W

RL-47 K 5W

RLY-D/C Relay. Coil Resistance 10000ohms,

Operating Voltage 100v

S1-Toggle switch

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Complete component kit available in CKD form ( Components only without PCB )
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