Fused disconnect

Details Fused disconnect Fused disconnect

H - Electricity

01

H

H01H 85/30 (2006.01) H01H 85/20 (2006.01) H01H 85/54 (2006.01) H05K 5/00 (2006.01) H05K 7/00 (2006.01) H01H 85/26 (2006.01) H01H 85/34 (2006.01)

Patent

CA 2060286

A fused disconnect device constructed according to the present invention comprises a housing, a line side terminal, a load side terminal, a protection fuse holder assembly removably installed in a cavity of said housing, and a separate alarm fuse removably installed in said housing. The alarm fuse may remain installed in the housing regardless of the presence of the protection fuse holder assembly, so that an alarm will be generated whenever the inventive device has interrupted power to the load. The fuse holder assembly comprises a cavity for holding at least one spare protection fuse and one spare alarm fuse. A cover retains the spare fuses in the cavity until they are required. The cover is marked to indicate the fuse ratings whils permitting an observer to view the contents of the cavity. In a first embodiment of the invention, the disconnect device is adapted for front-access mounting in a power distribution panel. The line side terminal is adapted for direct contact with a power supply bus bar. A fastener which is accessible from the front of the device secures the line side terminal to the bus bar. A fastener on the load side terminal extends toward the front of the device so that a load conductor may be installed on that terminal using only front access. Mounting fasteners, including fasteners extending from a rear portion of the device, are each accessible from the front. In a second embodiment of the invention, the disconnect device is adapted for rear-access mounting in a power distribution panel. The line side terminal is adapted for direct contact with a power supply bus bar. A fastener extends from the rear of the bus bar through the bar and into a receptacle in the device in order to secure the line side terminal to the bus bar. A fastener on the load side terminal extends toward the rear of the device so that a load conductor may be installed on that terminal using only rear access. A third embodiment is adapted for use in higher-current applications.

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