NTPAA8R2LDNB0

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Inrush Current Limiters (ICLs) are electrical components used to limit the maximum inrush current that can flow through a system during its startup and stabilization process. This type of component is important to prevent the onset of disturbances and surges, both in the electrical system of a facility and in its electronic components. NTPAA8R2LDNB0 is an example of an Inrush Current Limiter designed to cater to the heaviest demands from industrial applications. In this article, we will discuss the application field of the NTPAA8R2LDNB0 module, as well as its working principle.

Application Field of NTPAA8R2LDNB0 Module

The NTPAA8R2LDNB0 module is designed for the most demanding applications, such as for the heavy starting torque of high-induction motors and for peak loads found in electric furnaces. It is mainly used in industrial settings, such as plants or factories, where large amounts of electricity may be needed for production and other processes. Additionally, this ICL is suitable for ground fault protection and is able to limit the overcurrent in many common industrial loads, such as pumps, compressors, generators, large motors, and so on.

Working Principle of NTPAA8R2LDNB0 Module

The NTPAA8R2LDNB0 module follows the same basic working principle as other ICLs. It is comprised of two main components: a thermistor and a resistor. The thermistor is the component responsible for limiting the inrush current, and is also known as the “hot fix” due to its high temperature sensitivity. This component works by rapidly changing its resistance in response to a changing temperature. Thus, when the starting inrush current is detected, the thermistor starts to heat up and its resistance to the current increases rapidly, effectively limiting the inrush current at a safe level.

On the other hand, the resistor is responsible for limiting the sustained current or continuous current. This component remains cool and its resistance is fixed and relatively low, so it isolates the thermistor from the continuous current, ensuring that the thermistor does not heat up and affect the continuous current.

Conclusion

In conclusion, the Inrush Current Limiter NTPAA8R2LDNB0 is designed to withstand the highest demands of industrial applications. It applies the same working principle as other ICLs, by using a thermistor and a resistor. The thermistor helps limit the inrush current by rapidly changing its resistance with a changing temperature, while the resistor prevents the thermistor from heating up in response to a sustained current.

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