FIELD: electricity.
SUBSTANCE: overcurrent protection device comprises in series busbar of input voltage positive potential and an electronic key, which control input is connected to output of the control element by the electronic key and through protective resistor - with input of current sensor, aperiodic link, threshold element, which input is connected through the resistor to the current sensor output and output of the aperiodic link, busbars of negative potential.
EFFECT: reducing actuation time of the overcurrent protection device and load protection from output voltage when its values are below than the permitted ones.
10 dwg
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