TR/MDA-V-20-R

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Introduction

Fuses are safety devices designed to protect electrical equipment and circuits from overload or short circuits. TR/MDA-V-20-R is an example of a fuse designed for overload protection. This article will discuss the application field and working principle of TR/MDA-V-20-R.

Application Field

TR/MDA-V-20-R is a non-replaceable, thermally protected, overload fuse that is suitable for applications that require higher inrush currents or motor loads. This fuse is designed for applications that include motor drives, transformers, and other equipment that may require high inrush currents or short circuits. This device is UL recognized, CSA certified, and TUV listed making it suitable for use in industrial, commercial, and residential applications. This fuse is also suitable for use in dry or damp locations.

Working Principle

TR/MDA-V-20-R fuse operates in an overload state to provide protection from damaged, shorted, or overloaded circuit and equipment. The core of the fuse consists of a metallic strip that is melted at a given temperature. When a current passing through this fuse exceeds the rated current, the temperature of the strip will rise and the fuse will open to interrupt the current flow.

The TR/MDA-V-20-R fuse is designed with a thermal stress relief that is designed to reduce the temperature rise of the fuse during overload or short circuit events. This feature helps reduce the risk of electrical fire, and allows the fuse to reset itself after the overload or short circuit has been cleared.

Another unique feature of this device is the thermal protection feature. The fuse is designed with a temperature-sensitive element that reacts to the current flow. When the current exceeds the rated value, this element opens the fuse to protect equipment and circuits from potential damage due to overheating. This feature offers superior overcurrent protection even in the most extreme environmental conditions.

In addition, the TR/MDA-V-20-R fuse is designed with a low internal resistance that helps minimize power losses and overheating of the fuse during normal operation. This helps reduce the risk of equipment and circuit damage resulting from excessive current or power demand.

Conclusion

The TR/MDA-V-20-R fuse is designed for overload protection and is suitable for a wide range of applications, including motor drives, transformers, and other equipment that may require high inrush currents and short-circuits. This device features a thermal protection feature to reduce the risk of electrical fire, and a low internal resistance that helps minimize power loss and overheating during normal operation. Overall, the TR/MDA-V-20-R fuse is an excellent choice for protecting equipment and circuits from overloads and short circuits.

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