This low current source without a transformer is intended for applications where insulation is not important. The circuit has a 110 V (120 V) input and was found in old American documentation.
We found this circuit in a 1988 publication. A touch of the sensor causes the relay to trip and...
This circuit was obtained from a 1968 documentation and can be adapted to use current equivalent...
There are several manufacturers of the integrated circuit used and it also admits equivalents. The circuit...