They can be reset and disengaged by means of a special lever, they perform at the same time the functions of fuse and switch. Manufactured according to USA SAEJ1171 and CE 28846 "Vapor Proof" standards, capacity 3000 switching cycles.
Oversized version, 5/16" (instead of 1/4") electrical terminals for easy cable connection. Recessed model requires a simple round hole for installation.