LA130URD72TTI0500

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Electrical installations often contain fuses that protect components or systems from damage due to an overload or circuit short. The LA130URD72TTI0500 is one such type of electrical fuse which is designed to protect electrical circuits and systems against excessive currents. This article will discuss the application field and working principle of the LA130URD72TTI0500.

The LA130URD72TTI0500 fuse is a low-voltage cylindrical fuse for protection of low-voltage applications up to 48 VDC. It functions as an overcurrent protection device, which opens the circuit when the current through it exceeds the rated value. This fuse is ideal for protection in medium-voltage and high-current applications like power systems and motor drives. It is also suitable for use in telecommunications systems, as well as industrial, commercial and residential applications.

In terms of its construction, the LA130URD72TTI0500 consists of a cylindrical metal tube and a fuse element. The tube is made of copper or a copper alloy for electrical conductivity and is silver-plated for better soldering. The fuse element is a thin strip of material, such as copper, that melts when heated to a high temperature. The element is encapsulated in a hermetically sealed vitreous enamel, which prevents the metal from reacting with the environment.

The LA130URD72TTI0500 is designed to react at a predetermined threshold. If the current rises beyond this threshold, the element will melt and open the circuit. This helps to prevent the damage that can be caused by short circuits and other overcurrent conditions. The fuse can be easily replaced when it fails or when it needs to be upgraded.

The LA130URD72TTI0500 is designed for use in DC circuits. It has an interrupt capacity of 300A at 48VDC and a continuous load rating of 100A. It is UL98 listed and qualifies to UL standard 1213 in the category of medium-voltage fuses. The LA130URD72TTI0500 also meets the applicable requirements of CSA standard C22.2 No. 25-11.

In conclusion, the LA130URD72TTI0500 is a cylindrical fuse with silver plating and a hermetically sealed vitreous enamel coating. It is designed for medium-voltage and high-current applications and meets the requirements of UL standard 1213, as well as CSA standard C22.2 No. 25-11. Its main purpose is to protect against excessive currents in electrical circuits and systems.

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