Nader Circuit Breaker

Below an example MCCB brief structure, working principle, the use of circuit breakers and selection methods. Breaker consists of three basic components, i.e. the contact, release, and various interrupter system, including over-current release, voltage (undervoltage) release, heat release, shunt trip ...

1. Breaker insertion operation process The circuit breaker needs to be in the open state, place the handle of the plug-in mechanism in the position shown in Figure 1, and then slowly put the circuit breaker into the rail groove of the base, turn the interlock device to the unlocked position, and then...

What is a molded case circuit breaker? Molded case circuit breakers are generally suitable for the interface between the 400V power supply of the power supply system and the low-voltage power distribution system. They are widely used in the secondary load small power distribution box and the tertiary...

Circuit breakers are classified into universal type and plastic case type according to their structure. Among them, molded case circuit breakers are suitable for power distribution systems with rated voltage 690V, frequency 50/60Hz, and rated current 16 to 1600A or as protection equipment for transfo...