Miniature Circuit Breaker

Front

What is a Miniature Circuit Breaker?

Back

An electromechanical device designed to protect an electric circuit from over-current.

Front

What does over-current refer to?

Back

An electrical fault caused by either overload or short circuit.

Front

What is the primary function of a Miniature Circuit Breaker?

Back

To interrupt current flow after a fault is detected.

Front

How does a Miniature Circuit Breaker differ from a fuse?

Back

Unlike a fuse, a Miniature Circuit Breaker can be reset after tripping.

Front

What are the two main types of Miniature Circuit Breakers?

Back

Single-pole and double-pole circuit breakers.

Front

What is the tripping mechanism in a Miniature Circuit Breaker?

Back

It uses a bimetallic strip for thermal tripping and an electromagnet for magnetic tripping.

Front

What is the rated current of a Miniature Circuit Breaker?

Back

The maximum current the breaker can carry without tripping, typically ranging from 1A to 125A.

Front

Why is a Miniature Circuit Breaker preferred over a fuse?

Back

Because it can be easily reset and reused, providing more convenience and safety.

Front

What is the advantage of using a Miniature Circuit Breaker in residential wiring?

Back

It provides reliable protection against overloads and short circuits, ensuring safety and preventing electrical fires.

Front

How does a Miniature Circuit Breaker enhance electrical safety?

Back

By automatically cutting off the electrical flow in case of a fault, preventing damage to appliances and reducing the risk of fire.