Nader Circuit Breaker

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...

1. Apply for the first type of work ticket and prepare for the start of work. 2. The motor circuit switch F1 is open. 3. The circuit breaker is in position. 4. S4 is placed in the isolation position. 5. Good grounding. 6. The closing spring is completely discharged. 7. The opening spring is completel...

Basic requirements for circuit breaker selection: 1) The choice of circuit breaker should meet the load characteristics of the line. When selecting a circuit breaker, we must first accurately understand its performance, so as to set the parameter value of the electrical appliance. The specific standa...

What is an air switch? Everyone must feel very magical to hear this name. In fact, an air switch can also be called an air circuit breaker, which is a type of circuit breaker. It is a switch that will automatically open as long as the current in the circuit exceeds the rated current. Air switch is a ...

1. The contact of a certain phase of the circuit breaker cannot be closed (1) Check whether the connecting rod is broken or deformed. (2) If it is a current-limiting type circuit breaker, check whether the angle between the detachable connecting rods of the disassembly mechanism is deformed. 2. Manua...