Circuit breakers; accessories for circuit breakers, namely, [ protection units, current sensors, shunt opening releases, shunt closing releases, opening solenoids, auxiliary contacts, bell alarms, under voltage relays, alternate terminals, alternate lugs, programming units, dialog units, signaling units, diagnosis units, fixed adapters, ] electric operators, rotary handles, locking devices, interlock devices [, distribution boards, fixing accessories, contact covers, insulating barriers, ambient protection devices, accessory connectors ]