G - Physics – 08 – B
Patent
G - Physics
08
B
348/14, 306/147
G08B 1/08 (2006.01) H01H 85/32 (2006.01) H02H 3/04 (2006.01)
Patent
CA 1299225
ABSTRACT OF THE DISCLOSURE A polyphase circuit fuse condition indicating device includes three substantially identical circuits forming a Y-connection across each fuse through first and second leads. Each circuit has an indicator light and a switch with resistors in the leads. The respective circuits are interconnected through a lead having a resistance for each circuit so that an indication will be rendered without a load across the fuse.
578892
Fetherstonhaugh & Co.
Square D. Company
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