HIGH-VOLTAGE DISCONNECTING SWITCH WITH BUILT-IN GROUNDING BLADE Russian patent published in 2011 - IPC H01H31/28 

FIELD: electricity.

SUBSTANCE: contact blade (3) of disconnecting switch has throughout the length farther than its contact with axial fixed contact (7) its lengthening part (10) serving as built-in grounding contact blade, fixed to similarly lengthened drive ferromagnetic plate (4) and contact platform (11) with its contact spring on it, which is located on the lengthening end of movable contact blade. Thus, there provided is the possibility of performing the grounding when contact blade (3) is connected to fixed grounding contact (16) of the grounded base (1) with output of contact blade (3) to vertical switched-off position with clear visibility.

EFFECT: excluding the need for locking various blades between each other owing to combining contact blades of disconnecting switch of various purpose to one contact blade.

1 dwg