CIRCUIT INTERRUPTER WITH BASE/COVER ATTACHMENT ENABLING VENTING

摘要

A circuit interrupter including separable main contacts, an operating mechanism interconnected with the contacts, and a housing in which the contacts and the operating mechanism are disposed. The housing includes a base and a cover. Also provided is an attaching device that secures the cove r to the base. The attaching device includes a main member having a head connected to a body, with the body separated into a non-gripping portion adjacent the head and a gripping portion away from the head. The gripping portion attaches to the base, and the non-gripping portion extends through t he cover with the head providing a stop for limiting the separation between the base and the cover. The attaching device further includes a compressible member that is positioned between the head and the cover.