TR2/C515-1.5-R

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Fuses provide short-circuit protection and other electrical protection systems for commercial buildings, industrial plants, automobiles, office equipment and many other applications. In order to effectively serve these applications, a wide variety of fuses have been developed to meet a wide variety of needs. The TR2/C515-1.5-R fuse is one such type, designed for use in particularly hazardous environments, and it is important to know its application and safety properties.

Application Field

The TR2/C515-1.5-R fuse has been developed for use in a variety of hazardous environments, such as hazardous industrial locations, hazardous locations classified as Zone 1 and Outdoors. It is a fully cartridge type fuse, with a 3-pole operation. It is suitable for use in AC or DC circuits, with 240V AC and 250V DC ratings. It is ideal for applications with a maximum fault current of 1500A, such as energy storage, generator sets, elevators, remote equipment, and other energy storage large-capacity loads.

Working Principle

The TR2/C515-1.5-R fuse functions by melting its element in an overcurrent situation, and safely and quickly breaking the circuit. The fuse is rated to safely protect circuits up to 1500 amperes. The fuse element is a conductor of metal oxide, usually tin or copper, with suitable notch on it. These notches create an air gap in the element which increases the resistance and limits the amount of current the fuse can safely handle. This resistance drops when the rated current passes through the element. When the current exceeds the rated value, the element heats quickly and melts, disconnecting the circuit safely and quickly.

When the current reaches the rated level, the element is exposed to a melting point temperature until the circuit is disconnected. The TR2/C515-1.5-R fuse contains a glass envelope filled with highly compressed and treated metal powder which emits an arc and expels a large amount of hydrocarbon gas when the fuse element melts. This non-conductive arc prevents the reactivation of the circuit after the overcurrent is disconnected.

The TR2/C515-1.5-R fuse is designed for self-resetting after the overcurrent situation is corrected. Once the trip is cleared, the fuse element starts to cool and reseals itself automatically. This provides the user with an easy and efficient way to restore power to the circuit.

Conclusion

The TR2/C515-1.5-R fuse is designed for use in hazardous and difficult environments and its design guarantees stable and safe operation. It is a fully cartridge type fuse with a 3-pole operation which is suitable for use in both AC and DC circuits. It is rated to safely protect high current circuits up to 1500 amperes and also offers self-resetting capabilities to restore power to the circuit quickly and smoothly.

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