2009R1C2.75W

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Electrical specialty fuses are widely used across multiple industries and applications, from consumer electronics to medical and industrial applications. The R1C2.75W fuse is one example of a specialty fuse, designed for high-current electrical protection. This article will examine the applications and workings of this fuse.

Applications: The R1C2.75W fuse is designed to provide a safe current-protection solution for high current rating circuits. It is suitable for current ratings in the range of 38A to 150A, and is suitable for AC and environmental conditions up to 400V AC and 85°C. This makes it ideal for use in consumer electronics, such as high-end gaming consoles and HDTVs, as well as in larger applications such as industrial machinery, medical and laboratory equipment and lighting.

Working principle: The R1C2.75W fuse works by melting a specially designed bimetallic strip when the current through it reaches a certain level. This is referred to as the “trip rating” and is determined by the fuse’s design and size. Once the trip rating has been exceeded, the fuse will open the circuit and prevent further current from passing through the application.

The fuse is designed to open quickly and reliably when a fault occurs, while operating under normal load conditions without tripping. The composite construction of the fuse helps it to reach high interrupting ratings, while maintaining an acceptable level of power dissipation. The primary current-carrying unit of the R1C2.75W fuse is constructed of a copper alloy frame, with an inner core of silver-plated, alloy bronze adjustment with a durometer of 6HB and a polyurethane binder. The outer core is made of a silicone cushioning compound, containing chopped glass fiber reinforcement to provide exceptional impact and corrosion resistance.

The fuse is equipped with a low voltage rating of 300V AC, allowing it to be used safely in a wide variety of applications. It is also equipped with a secondary current-carrying auxiliary winding, which ensures better current-carrying performance and faster acting current-limiting in the event of a fault. The wiring terminals are designed for ease of installation and removal, and the fuse is supplied in a high-impact-resistant plastic enclosure for extra protection.

Conclusion: The R1C2.75W fuse is a high current-rated specialty fuse, designed to provide reliable current protection in a wide range of applications. Its composite construction makes it suitable for a variety of AC and environmental conditions, while its secondary winding helps to provide a fast-acting, current-limiting action. Additionally, its wiring terminals and low voltage rating make it easy to install and use, ensuring maximum safety and reliability.

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