0326003.H

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Fuses are an integral part of virtually every electrical system. Bussmann series 0326003.H is an example of these essential safety components. All fuses are safety mechanisms designed to trip when an excessive amount of current is running through a circuit, preventing damage to the device and potentially dangerous electrical shocks. 0326003.H is a medium voltage Class J fuse specialized for arc flash protection.

0326003.H is designed for increased protection of personnel and equipment in medium voltage systems. It offers one of the highest interrupting ratings available, suitable for up to 200kA symmetrical fault current. The fuse consists of a silver-plated, cylindrical copper conductor which is immersed in a non-hygroscopic, thermally stable pellet of desensitized ammonium sulfate. The pellet, in combination with the copper conductor, creates the basic construction of the fuse.

The principle of operation for 0326003.H revolves around its construction. The current arc that is generated when the fuse trips, in conjunction with the silver-coated conductor, prompts a chemical reaction that vaporizes the ammonium sulfate and, in turn, drastically reduces melting power dissipation and clears the arc, ensuring maximum arc-flash protection. This process takes around 1.5 milliseconds to 2.0 milliseconds, a rapid response time for a fuse of this type.

The Class J fuse range offers a number of applications, ranging from high speed fault clearance switching operations to basic power distribution equipment. The fuses are typically employed in larger systems, such as electrical motors, residential generators, and control equipment. The 0326003.H is designed specifically for arc flash protection, and are suitable for testing, protection, control, and monitoring in medium voltage systems.

Ultimately, the 0326003.H fuse offers the maximum guaranteed protection against arc flash. The construction and operation of the fuse allows for the maximum arc flash hazard to be reduced in a short period of time - a pivotal feature in any medium voltage system. As such, the 0326003.H fuse should be considered for any medium voltage system that requires enhanced protection from arc flash and other hazards.

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