4399

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Fuseholders are devices that hold a decorative fuse to open or close an electric circuit. They are usually used in power distribution systems, circuit protection, and signal circuits. 4399 fuseholder works on the principle of short circuiting two contact points within the holder. It operates upon the same principle of electrical current that allows electricity to flow between two points when there is a voltage potential across them.

The holder is secured to a mounting surface with two types of screws. The first is a threaded screw that is screwed into a tapped hole with an internal thread. The second is a machine screw that is inserted through a threaded hoe with an internal thread and tightened down with a hex nut. When the fuseholder is tightened down, the contact points are placed into contact with the terminals.

When the current flow exceeds the fuseholder’s current threshold, it activates the fuseholder\'s thermally-activated switch. The switch shorts out the contact points. This in turn interrupts the current flow within the circuit, thus preventing potential damage to the system. The fuseholder then must be replaced, to again allowing current flow through the circuit.

The 4399 fuseholder is designed to accept any standard household type fuse. This includes both glass-body and ceramic-body fuses. The fuseholder is designed to be securely fastened to the mounting surface, and provides superior electrical connection between the connections. The fuseholder is UL listed and approved, and is rated for up to 600 volts.

The holder is equipped with a number of safety features to ensure that the device does not fail due to excessive heat or current overload. For example, the fuseholder has its own internal surge protection feature that allows it to withstand up to 1,000 pulses per second. It also features an indicator light that tells when it is activated and ready to do its job, and it automatically switches off when the current flow ends.

In addition, 4399 fuseholder is designed to be weatherproof, and includes an encasement to protect the internal components from moisture and dust. It is also designed to provide easy access to the electrical terminals, allowing you to replace fuses quickly and easily. And lastly, the holder has a wide range of uses, including in motor starters, domestic and industrial wiring, communication circuits, and security systems.

The 4399 fuseholder is an essential safety device for all types of electrical circuits and systems. It provides a reliable and safe way to open or close an electric circuit, and protects your equipment from the adverse affects of short-circuiting or power surges. The holder is reliable, efficient, and safe, making it a great choice for all your electrical needs.

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