170M2820

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170M2820 is a specialty fuse designed for applications in the electrical industry. It is designed specifically for the protection of circuits from over-current or short-circuit conditions. 170M2820 is UL (Underwriters Laboratories) certified and is approved for use in the United States and other countries across the world.

170M2820 specialty fuse features a series of copper tubing that is used to encapsulate the fuse elements. The tubing in the fuse body acts as an umbrella encasing the fuse elements, preventing short-circuits from causing a malfunction. The tubing acts as a heat sink, providing superior thermal management when the fuse is exposed to high temperatures or overloads, protecting the fuse condition and its electrical characteristics. The tubing allows for improved resistance against temperature changes, increasing product life and reliability. The fuse also features a highly reliable, yet simple, 8-14 AWG screw connection design for the mounting process. This enables easy mounting without the need for solder.

The fuse works using two main components. Firstly, an electromagnet is used in the fuse which is activated when a short or an overload current passes through the fuses. This activates the control contact, allowing the current to then be conducted through the fuse. Secondly, a resistor is connected in series with the electromagnet core, which then produces heat as the current flows through it. This heat then gives the fuse the thermal response.

The internal circuit of the 170M2820 specialty fuse contains two sets of terminals, one of which is referred to as the "control contact" and the other is referred to as the "feeder contact". When an overload or short circuit current passes through the fuses, the electromagnet gets activated, allowing the current flow to happen from the control contact to the feeder contact. As the current increases, the resistor in the circuit converts electric energy into heat, thus increasing the temperature of the fuse.

At a certain temperature, usually around 270 ºC, the material inside the fuse casing melts and opens the circuit. This effectively disconnects the circuit from the rest of the circuitry, thereby protecting all the components downstream from further damage due to excessive current. The fuse then follows an Open-Short Cycle which resets the fuse into its normal position when the current drops down to a safe level.

The 170M2820 specialty fuse has a wide range of applications. It is ideal for protection against short circuits in audio/video devices, computer systems, automotive systems, telecommunications systems, power supplies, electrical switches, and other machine control systems. It also protects against over-currents and can be used to protect against current spikes that can cause equipment failure. In addition, the fuse is suitable for use in outdoor installations, making it the perfect solution for applications in harsh environments.

In summary, the 170M2820 specialty fuse is an ideal choice for protection against excess current and short circuits in a wide range of applications. It features an enclosed copper tubing design to provide superior thermal management, and a reliable 8-14 AWG screw connection for easy mounting without the need for soldering. The fuse works by using an internal electromagnet that, along with a resistor, provides thermal protection. When an overload or a short circuit current passes through, the 170M2820 fuse opens the circuit, thereby protecting the downstream components from further damage due to excessive current. This fuse is UL and CSA certified and is approved for use in the United States and other parts of the world.

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