DIAGNOSTIC METHOD FOR SWITCHING UNIT CONTACTS GAP Russian patent published in 2009 - IPC H01H11/04

Abstract RU 2361310 C1

FIELD: electric engineering.

SUBSTANCE: invention relates to electric engineering, particularly, to switching devices and may be used for disconnecting emergency currents. The method assumes to provide gap between insulated lever and clutch mechanism of switching device in on-position. For this purpose, interlock contact is used and fixed so that the distance between interlock contact switch-over key and insulated lever coincides with the value of gap in on-position.

EFFECT: improved safety, reliability of operation and extended lifetime of switching device.

2 dwg

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RU 2 361 310 C1

Authors

Muradov Ehl'Khan Shakhbaba Ogly

Dates

2009-07-10—Published

2008-03-17—Filed