JKS-400

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JKS-400 is an electrical specialty fuse that used for electrical protection. It comes in a range of sizes and current ratings, meeting a wide range of operational needs. JKS-400 meets the requirements of the National Electrical Code (NEC) with approval from Underwriters Laboratories (UL) for Category J fuses (overcurrent protection).

JKS-400 is primarily used as a back-up fuse for protection of wiring systems, electrical circuits and heavy capacity electrical systems. This specialized fuse is also used in a range of circuit protection applications, from industrial to automotive. As an example, it is also used in photovoltaic applications, solar panel systems, and some motors and transformers. In the automotive field, most large truck and car manufacturers have approved the JKS-400 as a replacement fuse for their vehicles.

The JKS-400 is designed around a block of metal in the shape of a hollow cube, with the contacts being connected on each side of the cube. The contact surfaces of the cube are made of a special metal alloy which is resistant to heat and arc-fusion. Inside the cube are two wound coils, each containing a separate circuit path, which form three separate circuits. The contacts are connected to the two coils and two separate current paths in the coil create the two separate circuits. The two circuits are connected in series, with one current path in the coil acting as the main circuit and the other operating as the back-up fuse.

The JKS-400 operates in two stages: the primary and back-up protection stages. During the primary protection stage, current flows in one direction, at the maximum current rating approved by the UL for the fuse. When the current exceeds the protective rating of the fuse, it triggers the back-up protection stage. The back-up protection stage involves the two coils connecting and creating a short circuit, limiting current flow to the safe level protecting the circuit and wiring system.

Under normal operation, the JKS-400 prevents overloads and short circuits, which can cause serious electrical problems including fires, decreased performance, and system failure. In short circuit and overload situations, the JKS-400 trips and de-energizes the circuit, providing protection from damage and injury. It is important to note that the JKS-400 must be installed and maintained properly to ensure its effectiveness.

The JKS-400 is designed to suit many different types of applications. It is available in a variety of sizes with the current ratings meeting the requirements for a wide range of circuits, especially photovoltaic and solar panel systems. This fuse is available in various voltage and current ratings, along with various mounting options for easy installation. It is also designed to be used in a wide range of temperatures and to withstand all types of weather including hot, cold, wet, or dry environments.

The JKS-400 is a reliable and trustworthy fuse that is used in many different applications due to its superior design and operation. It offers an effective solution for electrical protection, making it a great option for a variety of applications.

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