SEMIS ELECDEV

It is an essential electrical device functioning as an automatic switch, it disrupts the current flow upon detecting irregularities, thereby preventing hazards like fires or equipment damage.

• Relays

• Circuit Breakers

• Fuse

• Transformers

The outer casing of a circuit breaker that provides mechanical support and protection.

• Frame

• Arc Extinguisher

• Trip Unit

• Terminals

A mechanism that quenches the electric arc formed in a circuit breaker when the contacts separate.

• Frame

• Arc Extinguisher

• Trip Unit

• Terminals

Part of a circuit breaker that detects abnormal current conditions and activates the operating mechanism to disconnect the circuit.

• Frame

• Arc Extinguisher

• Trip Unit

• Terminals

Part of a circuit breaker's connection points for the incoming and outgoing electrical wires.

• Frame

• Arc Extinguisher

• Trip Unit

• Terminals

One function of a circuit breaker is to isolate faulty sections of

the system during maintenance and troubleshooting.

• True

• False

• N/A

• Maybe

A circuit breaker allows for automatic control of electrical circuits only.

• True

• False

• N/A

• Maybe

Ground Fault Circuit Interrupter are primarily used in residential settings to detect dangerous arcing conditions, such as those that could cause electrical fires. They are typically used for protecting circuits in bedrooms, living areas, and kitchens.

• True

• False

• N/A

• Maybe

Commonly used in residential and commercial applications for protecting circuits from overload and short-circuit faults. They are used in lighting, sockets, and appliance circuits in homes and offices.

• Miniature Circuit Breaker

• Molded Case Circuit Breaker

• Earth Leakage Circuit Breaker

• Vacuum Circuit Breaker

Often used in industrial, commercial, and residential settings for protection of electrical circuits. It

offers higher current ratings and are used in larger systems where higher capacity protection is

needed.

• Miniature Circuit Breaker

• Molded Case Circuit Breaker

• Earth Leakage Circuit Breaker

• Vacuum Circuit Breaker