MRF 500-BULK-SHORT

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Fuses are a type of electrical device generally used to protect wiring, cabling, and associated components from excessive current, typically as a result of an overload condition or a short circuit. The MRF 500-BULK-SHORT is an example of a fuse used for this purpose, and this article will describe the application field and working principle of the device.

The MRF 500-BULK-SHORT is a UL-approved metal-oxide fuse designed for applications where interrupting rating requirements are not critical, such as in lighting and motor circuits. Its primary application, however, is to protect branch circuits in residential, commercial, and institutional buildings from excessive current. The device is the smallest of the generic fuse types, which makes it suitable for applications where space is limited.

The working principle of the MRF 500-BULK-SHORT is fairly straightforward. The fuse is designed so that when an excessive current occurs, the metal element in it heats up and melts, thus interrupting the circuit and preventing any further current surge. The fuse also has a time-delay feature, which allows it to tolerate short, temporary currents without blowing. There is also a dielectric strength rating of 500V, which limits the possibility of electrical shock when handling the device.

The MRF 500-BULK-SHORT is relatively inexpensive and easy to install, making it an ideal choice for many applications. It also offers the advantage of being able to be installed in existing circuits without having to rewire the entire circuit. In addition, the fuse has a high-strength, plastic construction that is resistant to vibration and moisture.

The MRF 500-BULK-SHORT is UL-approved for use in a variety of settings, including residential, commercial, and institutional buildings. It is also UL-certified for use in hazardous locations. The device is available in a variety of sizes and configurations, including a single unit for branch circuit protection, and multiple units for panel box and distribution block applications.

In summary, the MRF 500-BULK-SHORT is an excellent choice for many applications. It is UL-approved, easy to install, resistant to vibration and moisture, and can be installed in existing circuits without having to rewire the entire circuit. The device is designed to protect branch circuits from excessive current and also has a time-delay feature, which allows it to tolerate short, temporary currents without blowing. Finally, the device has a dielectric strength rating of 500V, which limits the possibility of electrical shock when handling the device.

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