Circuit breaker

Front

What is a circuit breaker?

Back

A circuit breaker is an electrical device that automatically interrupts the flow of current in a circuit when it detects an overload or fault, protecting the circuit from damage.

Front

What are the three types of electric faults?

Back

1. Earth fault 2. Overcurrent 3. Short circuit

Front

What is an earth fault?

Back

An earth fault occurs when there is an unintended connection between a live conductor and the earth, which can lead to electric shock or fire.

Front

What is overcurrent?

Back

Overcurrent is a condition where the current flowing through a circuit exceeds the rated capacity of the circuit, potentially causing overheating and damage.

Front

What is a short circuit?

Back

A short circuit is a fault that occurs when there is a low-resistance connection between two conductors, allowing excessive current to flow, which can cause damage or fire.

Front

What is under voltage?

Back

Under voltage is a condition where the voltage in a circuit falls below the minimum required level for proper operation.

Front

How does a circuit breaker work?

Back

A circuit breaker detects abnormal current flow and automatically opens the circuit to stop the flow of electricity, preventing damage.

Front

What is the purpose of a circuit breaker?

Back

The purpose of a circuit breaker is to protect electrical circuits from damage caused by overloads, short circuits, and other faults.

Front

What is the difference between a fuse and a circuit breaker?

Back

A fuse is a one-time protective device that melts to break the circuit, while a circuit breaker can be reset and reused after tripping.

Front

What are the advantages of using circuit breakers?

Back

Advantages include reset capability, protection against multiple fault types, and enhanced safety features.