The types of circuit breaker accessories are divided into two types: internal accessories and external accessories.
The internal accessories are the auxiliary devices installed inside the circuit breaker, including shunt release, undervoltage release, auxiliary switch and alarm switch.
External accessories are accessories installed outside the circuit breaker, including auxiliary handles, external operating handles, electric operating mechanisms, handle locking devices, mechanical interlocking devices, electrical interlocking devices, rear wiring devices, plug-in installation platforms and Auxiliary contact devices, etc.