Patent ID: 9570260
Date: 2017-02-14
CPC Classifications: H01C,H01H

Claim:
1. A circuit protection device comprising: a housing defining a cavity; a metal oxide varistor disposed within said cavity; a terminal having a contact lead at a first end that is electrically attached to said metal oxide varistor by solder and having a second end extending outside of said housing; an arc shield disposed within said housing between said contact lead and said metal oxide varistor; a micro switch housed in a pocket portion of the housing, said micro switch having a trigger portion and further having an indicator portion disposed at least partially outside of said housing, said arc shield positioned against said trigger portion; and a spring configured to bias said arc shield away from said pocket portion and to move said arc shield away from said trigger portion when said solder is melted to provide a barrier between said metal oxide varistor and said contact lead, whereby the indicator portion is retracted into the housing.