70I-1A

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Electrical Specialty Fuses are a specialized type of electrical protection device designed to limit the fault current in a circuit by combining a fuse element, with a range of current ratings, to precisely match the current levels of the application.

The I-1A series of fuses offers an economy of manufacture and protection with reliable performance. The item is especially suited to applications requiring increased performance from a circuit protection device. This includes a wide range of uses such as high-voltage AC, DC and dual-voltage AC/DC applications.

The I-1A series has a current rating from 10 to 99 Amps, and its contact arrangement is typically a 2-pole, Bayonet-lock mount. The fuse element is constructed from a high-temperature ceramic material with a silver overlay. The fuse is sealed with a thermal epoxy sealant and is enclosed in a high-strength plastic or metal housing. The rating of the fuse element is clearly marked on the body of the fuse.

The working principle of the I-1A fuse series is based on the principle of resistance. When there is a short circuit, the current is limited by the resistance of the fuse element. This prevents the fuse from being destroyed due to excessive current. As the fuse ages, however, its resistance increases due to oxidation of the element which causes the current passing through it to decrease, eventually tripping the fuse. This is known as “over-current protection”.

For applications requiring increased performance, the I-1A fuse series provides an economical solution. It is designed to provide reliable circuit protection while allowing for flexibility in the design and implementation of the overall system. It also enables the protection of sensitive electrical components from damage and the risk of fire due to shorts due to its resistance-based design.

The I-1A series of fuses is an ideal choice for many electrical applications due to its wide range of current ratings, its resilience in extreme temperatures, and its ability to precisely match current levels to the demands of the application. Furthermore, its resistance-based design ensures that circuits are properly protected from over-currents and short-circuits, making it an essential component in today’s electrical systems. By combining the properties of economy of manufacture, easy installation, and reliable performance, the I-1A series of fuses can be trusted in a wide array of industrial, residential, and commercial applications.

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