Types of Fuses in Electrical Installations

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Fuse is a simplest device, which breaks the circuit under abnormal condition i.e.it interrupts current under fault condition and is not able to make or break the circuit under normal condition. It is used for overload/short circuit protection in medium voltage (up to 33 kV) and low voltage (up to 400 V) installations. Fuses are classified as: 1. Semi enclosed or rewirable type. 2. Totally enclosed or cartridge type. 3. Dropout fuse. 4. Expulsion fuse. 5. H.R.C.fuse (High Rupturing Capacity). 6. Striker fuse. 7. Switch fuse. The important points about ______ fuse are: 1. It protects electrical circuits from overloading or short circuit by interrupting the flow of current.

rewireable

The fuse element is made of a thin wire or metal strip that melts when excessive current flows through it. It can be easily replaced or ______ once the fuse element has melted. It is not suitable for high power circuits.

rewired

Fuse is a simplest device, which breaks the circuit under abnormal condition i.e.it interrupts current under fault condition and is not able to make or break the circuit under normal condition. It is used for overload/short circuit protection in medium voltage (up to 33 kV) and low voltage (up to 400 V) installations. Fuses are classified as: 1. Semi enclosed or ______ type. 2. Totally enclosed or cartridge type. 3. Dropout fuse. 4. Expulsion fuse. 5. H.R.C.fuse (High Rupturing Capacity). 6. Striker fuse. 7. Switch fuse.

rewirable

Fuse is a simplest device, which breaks the circuit under abnormal condition i.e.it interrupts current under fault condition and is not able to make or break the circuit under normal condition. It is used for overload/short circuit protection in medium voltage (up to 33 kV) and low voltage (up to 400 V) installations. Fuses are classified as: 1. Semi enclosed or rewirable type. 2. Totally enclosed or cartridge type. 3. Dropout fuse. 4. Expulsion fuse. 5. ______ fuse (High Rupturing Capacity). 6. Striker fuse. 7. Switch fuse.

H.R.C.

The important points about rewireable fuse are: 1. It protects electrical circuits from overloading or short circuit by interrupting the flow of current. 2. The fuse element is made of a thin wire or metal strip that melts when excessive current flows through it. 3. It can be easily replaced or rewired once the fuse element has melted 4. It is not suitable for ______ power circuits.

high

Learn about the different types of fuses used in electrical installations such as semi enclosed, totally enclosed, dropout, expulsion, and H.R.C. fuses. Understand their functions and applications for overload and short circuit protection in medium and low voltage systems.

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