BK/HTB-84I-R

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Fuseholders: BK/HTB-84I-R Application Field and Working Principle

Fuseholders are devices designed to hold and protect fuses in a large variety of applications. Fuseholders can range from simple, inexpensive units that provide simple functionality to more complex, durable units that are designed for more sophisticated applications. Fuseholders are used to house fuses, allowing them to be easily replaced and maintained, providing optimal electrical circuit protection and reliability.

The BK/HTB-84I-R is a type of fuseholder developed by Positronic for various industrial applications. It is suitable for use with type SE/SEL/SPAC/C type fuses and features a high temperature bakelite construction with a rugged back-mount clip. The fuseholder is designed for rapid fuse insertion and removal, allowing for fast, efficient and safe replacement of the fuse. The fuseholder also features automatic cam action contacts that ensure a secure connection. Additionally, it has a maximum current rating of 10 amps and a voltage rating of 250 VAC/2A.

The BK/HTB-84I-R is ideal for applications such as electric motors, heating and cooling systems, HVAC systems, power electronics, lighting systems, and other industrial applications that require reliable electrical circuit protection. In these applications, the fuseholder allows for easy and reliable replacement of blown fuses, helping to ensure continuity of the electrical system.

The BK/HTB-84I-R operates on the working principle known as the "heat-fuse" principle. When an overloaded current passes through the fuse, the resistance of the filament in the fuse increases in proportion to the current. This causes the filament to heat up and eventually reach its melting point, causing the fuse to blow. The fuseholder contains a thermal cutoff switch which senses the temperature increase and immediately switches off the power, limiting the amount of current that can be passed through the fuse.

This mechanism helps to protect the system from overheating, preventing permanent damage and allowing for quick and easy replacement of the fuse. The thermal cutoff switch also helps to protect against false triggering, meaning that it will not cut off power if the current is within the safe operating range of the device.

The BK/HTB-84I-R fuseholder is an efficient and reliable device designed for a variety of industrial applications. It allows for quick, easy and safe replacement of blown fuses, ensuring continuity of the electrical system and providing optimal electrical circuit protection. The thermal cutoff switch also helps protect against false triggering and overheating, providing additional safety and reliability.

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