Agricultural submersible pump burglar alarm circuit diagram

Published:2011/6/12 22:55:00 Author:Lucas | Keyword: agricultural , submersible pump, burglar alarm | From:SeekIC

The agricultural submersible pump burglar alarm circuit is composed of the relay K, diodes VD1, VD2, power transformer T and bell HA, and the circuit is shown as the chart. When the submersible pump is stolen or disconnected because of other reasons, the power supply loop of relay K is cut off, and the normally closed contact is connected, then HA produces alarm sound. VD1 and VD2 use 1N5402 silicon rectifier diode or 2CP35B ordinary silicon diodes. HA chooses the alarm bell with working voltage being 380V. K selects JQX-4 24V DC relay. KM uses CDC10 380V AC contactor. T uses the power transformer with 3 ~ 5W, 25 ~ 30V secondary voltage(380V/25 ~ 30V). S1 selects moving off button; S2 selects portfolio button (each grous of moving on, moving off contacts). Fuse FU1, knife switch Q and the thermal relay KR should be selected according to the rated power of M; FU2 uses 2A fuse.



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