KLKD.500H

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The KLKD-500H fuse is a high quality, special-purpose fuse featuring a variety of features for protection in electrical applications. It is widely used in power, industrial, commercial, and residential systems. It is designed for many different applications, including protection against overcurrents, short circuit, and overloads and for fault current protection.

The fuse carries an operating temperature of -20C to +85C, has a catalogued voltage of 250VAC, and is rated for a current of 500A. The time/current curve makes it ideal for use with motors, resistive loads, and some switching devices. It is UL recognised and rated for 8 cycles at its maximum rated current and 40 cycles at 400A or less. The fuse is UL98 listed and rated for maximum interrupting rating of 10kA at 250VAC.

The maximum short circuit rating is 40kA at 250VAC. The KLKD-500H is particularly suitable for applications requiring fast response times. It features a closed loop design that allows for complete circuit protection when properly installed. The closed loop design helps to prevent false trips and provides greater protection against voltage surges and spikes.

The application field of the KLKD-500H is primarily used in industrial and commercial settings, but it is also suitable for some types of residential applications. It is often used in household circuit breakers, motor circuits, and in panel boards. It is also widely used in fluorescent lights, HVAC systems, circuit breakers, and electrical outlets. It can also be used in surge protection systems and is oft-specified for use with electrical safety devices, like circuit breakers and surge protectors.

The working principle behind the KLKD-500H is quite simple. The fuse works by melting when an overcurrent flows through it. When the current reaches a certain threshold, the fuse melts, breaking the circuit and protecting the connected devices. As the fuse melts, it generates heat, which causes the material to melt gradually, ensuring that the fuse is not destroyed by a sudden surge in current.

The approved materials, design, and construction of the KLKD-500H ensure that the fuse will provide reliable and effective protection in electrical installations. The fuse is designed to respond quickly and accurately and is a great choice for applications that require high-temperature and overload protection.

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