BK/GBB-1-1/4

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Fuses are a form of safety device which helps protect electrical and electronic equipment from risk of fire or damage due to circuit overloads or short circuits. A type of fuse widely used in these safety applications is a BK/GBB-1-1/4. In this article, we will discuss the application field and working principle of a BK/GBB-1-1/4.

Application field

A BK/GBB-1-1/4 fuse is intended for general safety applications. Examples of these safety applications include residential electrical systems, overcurrent protection for small to medium-size electrical motor circuits, generator protection and branch circuit protection.

The BK/GBB-1-1/4 is designed to withstand surges in electrical current, often caused by short circuits that occur in these applications. It can also withstand overload conditions, which are common in motors, generators, and branch circuits. The BK/GBB-1-1/4 offers an acceptable level of protection, without compromising the efficiency of the circuit it is protecting.

Working Principle

A BK/GBB-1-1/4 fuse is a just a small, usually cylindrical, device made of metal that contains a filament element inside. When the current passing through the filament element exceeds the rated current of the fuse, the filament element inside will heat up and melt, thus breaking the circuit and cutting off the excessive current.

The BK/GBB-1-1/4 is designed to operate in a range of temperatures from -25°C to +70°C. Due to its low-temperature rating, the BK/GBB-1-1/4 is perfect for use in residential and industrial applications that have cold climates. The fuse also offers a reliable means for protecting against overvoltages, as well as against electric shock hazards.

The BK/GBB-1-1/4 fuse is UL approved and is designed to meet IEC 127 requirements. The fuse also offers a high level of performance due to its high interrupting rating (up to 10 kA) and Class J performance. The Class J performance allows the fuse to remain stable with peaks of current over its rated value, giving the user optimum protection.

The BK/GBB-1-1/4 fuse is a very versatile fuse; it is available in its standard form or as a snap-in or screw-on type. It is also available in a wide range of sizes, amperages and interrupting ratings to meet any application. Fuses are rated in amperes, with sizes ranging from 0.5A to 100A.

The BK/GBB-1-1/4 fuse has a UL listed cassette-type construction that offers automatic reset and diagnostic features for improved reliability. It also provides safety features such as Safety-Disco indication and extra insulation between terminals.

In summary, the BK/GBB-1-1/4 fuse is a reliable and efficient fuse for protecting electrical and electronic devices from short circuits and overloads. The fuse offers a wide range of sizes, amperages and interrupting ratings to meet any application. Its UL listed cassette-type construction provides additional safety features such as safety-disco indication and extra insulation between terminals. With its low-temperature rating and high interrupting rating, the BK/GBB-1-1/4 fuse is the ideal choice for protecting electrical and electronic equipment.

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