BK/AGC-B-5

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Fuses have been used for decades, often in commercial and industrial applications, to protect sensitive components from dangerous overloads and open circuits. The BK/AGC-B-5 fuse is a special type of fuse designed for applications which require a high current rating and/or a high cycle life (e.g. on-load tap changers). As such, BK/AGC-B-5 fuses have a range of advantages over standard fuse technologies.

The BK/AGC-B-5 is a ceramic-bodied, high current fuse designed for use in medium-voltage networks up to 5kV. It is available in ratings from 1 to 30 Amps. The fuse has an interrupting rating of 25kA, indicating its suitability for use in applications where high current, short-circuit protection is required. The fuse body is filled with a non-corrosive precoat insulation powder, which ensures the high-current capacity and long life of the fuse. The fuse element is made from a special alloy of silver, nickel, and molybdenum, which is designed to provide reliable fuse protection with minimal arc leakage.

The working principle of the BK/AGC-B-5 is based on the thermal-magnetic characteristic of the fuse element and the current carrying properties of the insulation powder. The thermal-magnetic properties of the material allow the fuse element to heat up when exposed to a high current, while the insulation powder helps to dissipate any heat generated by the fuse element. When current exceeds the rating of the fuse, the heat generated melts the fuse element, which opens the circuit and prevents further current flow. The insulation powder vaporizes during the overload, thus preventing the element from shorting out or welding to the fuse body.

One of the advantages of the BK/AGC-B-5 fuse is its high cycle life. The high thermal capacity of the fuse allows it to withstand multiple fault current surges without blowing. This makes it ideal for applications such as on-load tap changers, where large amounts of current must be switched on and off with controlled time delays. The BK/AGC-B-5 is also well suited for use in lighting systems and in other areas where the need for high current protection in an area subject to frequent voltage fluctuations is required.

BK/AGC-B-5 fuses are great for applications that require high current ratings and/or a high cycle life. The fuse body is filled with a precoat insulation powder to ensure the fuse\'s high current capacity and long life. The material of the element is designed to provide reliable fuse protection with minimal arc leakage. The thermal-magnetic characteristics of the element and the current carrying properties of the insulation powder enable the fuse to open the circuit and prevent any further current flow when the current exceeds the rating of the fuse. The high cycle life of the fuse makes it ideal for applications such as on-load tap changers, where multiple fault current surges must be handled with controlled time delays.

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