FIELD: electricity.
SUBSTANCE: method is implemented by means of the switch, controlled by creating the remote control switch, implemented on the field-effect transistor with the minimum resistance in the open state, used as the power key and providing the protection quality by using the current sensor and the high-speed protection circuit, operating in the trigger mode according to the overload state, which allows to hold the key after occurrence of the current overload in the disconnected state before removing the control signal and providing the restart.
EFFECT: speed of protection response increase at prohibitive current overload.
2 dwg
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