Rotary switch with curved arc root migration track

Details Rotary switch with curved arc root migration track Rotary switch with curved arc root migration track

H - Electricity

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H01H 33/12 (2006.01) H01H 33/18 (2006.01) H01H 33/56 (2006.01) H01H 33/74 (2006.01)

Patent

CA 1314918

ABSTRACT ROTARY SWITCH WITH CURVED ARC ROOT MIGRATION TRACK A rotary switch with a sealed enclosure in which a rotating knife-blade is housed cooperating with two stationary contacts supported by the internal periphery of the enclosure. A permanent magnet is incorporated in the stationary contacts to magnetically blow the arc roots on a curved migration track towards hidden locations which are not facing the knife-blade. The invention is applicable to a gas-insulated medium voltage switch. Refer to figure 3.

569544

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