Fuse element with fuse condition display spring - has spring tensioned via fuse wire attached to end cap at point above filling opening aperture receiving spring

摘要

The fuse element has a indicator (display) spring (15) associated with one of the metal end caps (13) for the fuse housing and tensioned by a fuse wire (16) within the fuse housing and released when the fuse wire melts. The opening fits through a filling opening aperture in the end cap, the fuse wire attached to the latter at a point above the filling opening via crimping. ADVANTAGE - Simplified fuse mfr.