High current under oil expulsion fuse

Details High current under oil expulsion fuse High current under oil expulsion fuse

H - Electricity

01

H

306/148

H01H 85/40 (2006.01) H01H 85/43 (2006.01)

Patent

CA 1143768

HIGH CURRENT UNDER OIL EXPULSION FUSE ABSTRACT A high current under oil expulsion fuse having a pair of contacts mounted on a dielectric sleeve, a nontracking, nonconducting pressure tube within the sleeve which extends beyond the dielectric housing into a portion of each of the contacts, a fuse link in the pressure tube, a clamp having a metering orifice mounted on one of the contacts to secure the link in the contact and a gas retention chamber mounted on the other contact to secure the link to the other contact, the gas retention chamber being operative to blow high pressure gas through the bore of the pressure tube to assist in clearing arc products and ionized gases from the fuse.

365620

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