Residual current residual current circuit breaker 40292

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The residual current device works with no extra power supply to the operating mechanism. It compares the magnitude of the currents through the neutral and phase conductors. switching off heavy-loaded electrical circuits at insulation damage of the conductors to the consumers switching off heavy-loaded electrical circuits at presence of a person under voltage used to protect not only particular consumers/ circuits, but also the whole panel remarkable with high reliability of current characteristics control: manual switching on and automatic switching off at exit failure