Knowledge

Ambient air temperature: The upper limit of ambient air temperature is +40℃; The lower limit of ambient air temperature is -5℃; The average value of a

The wiring methods of circuit breakers include front panel, back panel, plug-in type, and drawer type. If the user has no special requirements, they a

Electric operating mechanism: This is an accessory used for remote automatic opening and closing of circuit breakers. There are two types of electric

Internal accessories Auxiliary contact: A contact that is mechanically linked to the opening and closing mechanism of the main circuit of the circuit

According to the number of poles: single pole, two poles, three poles and four poles; according to the installation method: plug-in type, fixed type a

The characteristics of the circuit breaker are mainly: rated voltage Ue; rated current In; tripping current setting range of overload protection (Ir o

Circuit breakers are generally composed of contact systems, arc extinguishing systems, operating mechanisms, releases, and housings. When a short circ

A circuit breaker is a switch device that can close, carry and disconnect the current under normal circuit conditions and close, carry and disconnect