H02H 3/17
Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection {; integrated protection } responsive to fault current to earth, frame or mass by means of an auxiliary voltage injected into the installation to be protected
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Edits on 16 Mar, 2022
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Edits on 5 Mar, 2022
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H02H 3/17
Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection {; integrated protection } responsive to fault current to earth, frame or mass by means of an auxiliary voltage injected into the installation to be protected
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