H - Electricity – 01 – H
Patent
H - Electricity
01
H
306/331
H01H 21/02 (2006.01) H01H 21/54 (2006.01)
Patent
CA 1117575
Abstract of the Disclosure A disconnect switch includes a crossbar assembly having an arm at each of its ends which rotatably fastens the assembly to a frame for swinging motion around a pivot axis. Three movable contact assemblies are carried by the crossbar between a closed position in which their line side ends engage stationary contacts and an opened position in which their line side ends are disengaged. Stationary connectors aligned along the pivot axis engage the load side ends of the movable contact assemblies at all positions of the crossbar.
314689
Borchardt Robert E.
Grabarczyk Frank A.
Zaffrann Albert A.
Allen-Bradley Company Inc.
Fetherstonhaugh & Co.
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