Load limiter circuit using transistors Part 2

Load limiter circuit using transistors Part 2     The circuit is as shown in the figure. This circuit has a certain impact resistance and can enable loads with large starting currents such as refrigerators, air conditioners, and washing machines to start normally and keep the current limit value within the operating current setting range. Adjust the potentiometer RP to change the action setting value. The delay time is mainly determined by C3, R4 and R7.