2025.05.03 – N – Dictionary Section


  • N/C contact (Normally Closed contact): A contact that remains closed (allowing current flow) when the device is not energized. It opens when the device is activated, often used in safety circuits.
  • N/O contact (Normally Open contact): A contact that remains open when the device is not energized and closes upon activation, allowing current to flow. Commonly used in control and signal circuits.
  • Network quality: A measure of the stability and cleanliness of the electrical power supply. It includes parameters such as voltage consistency, harmonic distortion, and the absence of interruptions or surges.
  • Normal AC induction motor: A standard three-phase asynchronous motor that operates using electromagnetic induction. Known for its simplicity, reliability, and widespread use in industrial applications.
  • Number of pole pairs: Refers to the number of magnetic pole pairs in a motor. It determines the synchronous speed of the motor—more pole pairs result in lower speed for a given frequency.

Published by Leonardo Tomás Cardillo

https://www.linkedin.com/in/leonardocardillo

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