Circuit - Pump Motor Monitor - Circuits designed by David A. Johnson, P.E.


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Dave's Circuits
Circuits designed by David Johnson, P.E.

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Last Updated on: Friday, August 29, 2008 02:35 PM

Alarm Circuits Current Monitors

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Pump Motor Monitor
This circuit can turn on a light or sound a beeper, whenever an AC line powered pump motor turns on. It is designed to detect the motor current using a small inductor placed on the outside of the motor’s power cable. No direct wire contact is needed.

Click on Drawing Below to view PDF version of Schematic

Alarm Circuits Current Monitors
Master Schematic Category List - David A. Johnson, P.E.