Expulsion type current limiting fuse device

Details Expulsion type current limiting fuse device Expulsion type current limiting fuse device

H - Electricity

01

H

306/148

H01H 85/04 (2006.01) H01H 85/042 (2006.01) H01H 85/42 (2006.01)

Patent

CA 1052425

ABSTRACT: A current-limiting device is joined in series with an expulsion fuse to provide current interruption for a full range of fault currents. The expulsion fuse portion is joined to the current-limiting device in such a way as to reduce the overall length of the combination by allowing the operative elements of the expulsion fuse portion to move into the current- limiting fuse portion upon operation of the expulsion fuse portion. Also, in those instances where it is desirable to use an exhaust control device in conjunction with the expulsion fuse portion, the exhaust control device can be positioned within the current- limiting device to reduce the overall length of the device.

221259

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