BK/AGC-3-1/2

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A fuse is an overcurrent protection device used in electrical circuits. Fuses are designed to protect circuit components and wiring from possible damage due to overcurrents caused by overloads or short circuits. The BK/AGC-3-1/2 fuse is a type of fuse that is specifically designed for high current applications. It has 3-1/2 inch body length and is rated at 250 amperes.

The BK/AGC-3-1/2 fuse is an ideal choice for high current applications such as HVAC systems, security systems, and lighting circuits. It is a dual element fuse which is constructed of two parts. The first part is a current-limiting element, consisting of a thin filament of metal wire. The second part is a delayed action element, which is located before the current limiting element.

The current-limiting element is designed to immediately melt open when the current flowing through it reaches 250 amperes. This breaks the circuit, preventing the overwhelming current from reaching the other electrical components. The delayed action element acts as a secondary protection and is designed to melt open when the current reaches an even higher level. This prevents the fuse from operating at unreliable high or low current levels.

The BK/AGC-3-1/2 fuse has a time delay of 15 minutes at 250A and 400A. This prevents the fuse from blowing too quickly due to short-duration overloads, while still providing reliable protection if a prolonged overload occurs. This feature also helps prevent nuisance blowing in equipment with large inrush currents.

The BK/AGC-3-1/2 fuse is UL Listed and features a thermoplastic body and copper current-limiting element. The fuse can be installed in an AC or DC electrical system in either a panel mount or connected directly to the protected equipment. It is also suitable for use in enclosed weatherproof or outdoor applications.

The BK/AGC-3-1/2 fuse is an excellent choice for any application requiring high current protection. By combining a current limiting element with a delayed action element, the fuse is able to provide reliable protection while avoiding nuisance tripping. The UL listing and wide range of operating conditions make it a versatile and reliable fuse option for many different applications.

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