204427 ⎘
Orthogonal indexing scheme relating to electric switches, relays, selectors or emergency protective devices covered by Application rejection 1: coded interacting surfaces, polarising, e.g. to avoid insertion of a circuit breaker or fuse or relay or rating plug of the wrong caliber or in the wrong direction
Plug-on neutral circuit breakers with lockouts and related loadcenters and methods
#2Fuse, fuse box, and fuse device
#3Electromagnetic contact device
#4Push button mechanism, operation panel, and image forming apparatus