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Circuit Breakers and Switches

What are Circuit Breakers?

A circuit breaker is a safety device that protects electrical circuits from overcurrent, overload, and short circuits. It prevents hazards like fires, equipment damage, and electrical shocks by automatically stopping the flow of electricity during unsafe conditions.

Applications of Circuit Breakers and Switches in Power Distribution
  • Protect transformers and cables.
  • Isolate faults for maintenance.
  • Control power flow in substations.
  • Ensure safety in residential/industrial circuits.
  • Monitoring the energy and power consumption for the system.
What are the Different Types of Circuit Breakers and Switches?
  • Molded Case Circuit Breaker (MCCB)
  • Air Circuit Breaker (ACB)
  • Isolator switch
  • Fuse Switch
  • Source Change Switch
  • Miniature Circuit Breaker (MCB)
  • Residual Current Circuit Breaker (RCCB)