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Fuse: Types, Characteristics & Applications




What is a fuse?

A fuse is a low resistance metallic wire which is enclosed in a non-combustible case. The main function of a fuse is to protect the device or circuit from short circuit or over current.

“Heating effect of current” is the working principle of fuse. Each fuse has been rated with limit, once the current flow crosses that limit the metallic wire melt thus breaking the circuit and stopping the flow of current.


How to select the correct rating size of fuse?

Rating = (Power / Voltage) x 1.25

Though the fuse selection depends on other factors as well such as the environmental conditions but the above formula is the basic to select the right size of the fuse.


Fuse Characteristics:


1) I2t Value of Fuse

2) Rated Voltage of fuse

3) Current carrying capacity of fuse

4) Breaking capacity of fuse

5) Packaging size


Types of Fuse:


· AC and DC Fuses

· High Voltage Fuses

· Link Type Cartridge Fuses

· D-Type Cartridge Fuses

· Bolted Type Fuses

· Surface Mount Fuses

· Thermal Fuses

· Resettable Fuse


Application of Fuses:

  • Air-conditions

  • Printers

  • Motors & Transformers

  • Scanners

  • Power convertors

  • General electrical appliances and devices

  • Portable Electronics

  • Home distribution boards

Looking for a fuse or any other industrial equipment? PiRho Supplies deals in industrial equipment, MRO supplies etc. We provides service to countries like Canada, UAE, Qatar, Germany, United Kingdom etc. Have any doubt related to a part or industrial instrument leave it to us. Fill up the RFQ and let our team handle the rest.

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