Cubical switchboard grounding switch blade blocking device
The utility model relates to a cubical switchboard grounding switch blade blocking device for control ground sword operating handle's switching belongs to the electricity infrastructure field. The utility model provides a cubical switchboard grounding switch blade blocking device, includes powe...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model relates to a cubical switchboard grounding switch blade blocking device for control ground sword operating handle's switching belongs to the electricity infrastructure field. The utility model provides a cubical switchboard grounding switch blade blocking device, includes power, rectifier module, lock node and magnet coil, power one end is through shutting nodal connection to the one end of rectifier module, and the other end of rectifier module is direct to be connected with the other end of power, and this cubical switchboard grounding switch blade blocking device still includes a button switch, button switch establishes ties between rectifier module and the shutting node. The utility model has the advantages that: at rectifier and the shutting button switch that establishes ties between the node, make whole grounding switch blade blocking device return circuit pin when long -term electrified state changes the operation into the button switch return circuit just in the twinkling of an eye |
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