This static switch or electronic contactor was found in a 1968 Motorola publication. The triac depends on the current of the load it controls. The values shown are for the 120 V power grid.
This circuit appears in other articles and suggestions for circuits in this section from other...
In the figure we have the way of obtaining 220 V from two equal 110 V transformers or 230 V from...
We found this simple continuity tester in a 1995 documentation. It uses two LEDs to indicate...