Tag Archives: circuit breaker

CIRCUIT BREAKERS WORKING PRINCIPLE & TYPES

It is well known that Circuit Breakers are devices which are used to break a circuit continuity and restore it again when required. Normally these are known as switching devices that can be activated manually or automatically to control the electrical power systems. In case of short circuiting or leakage of the larger amount of… Read More »

Electrical Circuit Breaker Working Principal Operation & Types

What is Circuit Breaker? Electrical circuit breaker is a switching device which can be operated manually or automatically for controlling and protection of electrical power system respectively, it is a mechanical switching device, capable of making, carrying and breaking currents under normal circuit conditions. Circuit breaker is also capable of making and carrying for a… Read More »

Miniature Circuit Breaker – MCB

Circuit breaker is a mechanical device designed to close or open contacts member thus closing or opening of an electrical circuit under normal or abnormal conditions. Circuit breakers are usually employed for the protection of electrical circuits, they are equipped with a trip coil connected to relay or other means. A circuit breaker is a… Read More »

Circuit Breaker – 7 Types

Circuit Breaker is one of the most important equipment in the power distribution system. This is because of the function of the equipment itself which is, the ability to open a circuit or to break the circuit during maintenance work or when there is fault in the system without getting damaged. Circuit breaker is a… Read More »

Vacuum Contactor vs Circuit Breaker Selection Considerations

To compare the application of medium-voltage circuit breakers and of fused contactors, we must understand the basic characteristics of each switching technology. The below table shows the major characteristics of medium-voltage circuit breakers and medium-voltage fused contactors that influence the application. Of course, the table entries are generalized, and the information varies by the voltage… Read More »

Air Blast Circuit Breaker | Construction & Operating Mechanism

A circuit breaker is a mechanical switching device, capable of making, carrying and breaking currents under normal circuit conditions. It is also capable of making and carrying currents for a specified time and breaking currents under specified abnormal circuit conditions, such as those of a short circuit. Air Blast Circuit Breaker is one of major component… Read More »