Numerical control mining explosion-proof and intrinsically safe vacuum combined feed switch

The invention relates to a numerical control mining explosion-proof and intrinsically safe vacuum combined feed switch that comprises an explosion-proof shell and an operating device used for connecting and disconnecting the switch body and a main circuit terminal group. The explosion-proof shell co...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	YU XUFEI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BASIC ELECTRIC ELEMENTS BOARDS, SUBSTATIONS, OR SWITCHING ARRANGEMENTS FOR THE SUPPLYOR DISTRIBUTION OF ELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRIC SWITCHES ELECTRICITY EMERGENCY PROTECTIVE DEVICES GENERATION RELAYS SELECTORS
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