{"id":12515,"date":"2026-07-08T11:50:50","date_gmt":"2026-07-08T02:50:50","guid":{"rendered":"https:\/\/cik-ele.com\/?p=12515"},"modified":"2026-07-08T12:17:11","modified_gmt":"2026-07-08T03:17:11","slug":"number-of-poles","status":"publish","type":"post","link":"https:\/\/cik-ele.com\/en\/column\/number-of-poles\/","title":{"rendered":"WHAT IS THE NUMBER OF POLES IN A MOTOR? ITS RELATIONSHIP TO RPM AND HOW TO CHOOSE ONE"},"content":{"rendered":"

The number of poles in a motor is a basic specification indicating the number of magnetic poles formed inside the motor, and it is a parameter that influences rotational speed and torque characteristics. In the design and procurement of Micromotors, questions often arise regarding whether to choose a 2-pole or 4-pole motor, and how an increase in the number of poles affects performance.The number of poles is not a value determined in isolation; rather, the optimal solution is determined by balancing speed, torque, size, cost, and the technical requirements of each specific application. In this article, we will systematically cover the basics of motor pole count, its relationship to speed, and the approach to motor selection based on application. The content presents perspectives that engineers responsible for design and procurement can use as decision-making criteria to select the best-suited Micromotors for their company\u2019s equipment.<\/p>\n\n\n\n
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Supervised by: C.I. TAKIRON Corporation Electronic Devices Sales Group<\/u><\/strong><\/p>\n

This article has been supervised based on the advanced technical expertise and insights we have cultivated since our founding in 1919 as a leading company in plastic processing. Our department continuously analyzes market trends and the latest technologies in ultra-compact, high-precision micro motors, focusing on providing high-value-added information to designers and developers. As a team of experts with in-depth knowledge of product characteristics, we support our customers\u2019 problem-solving and technological innovation by delivering accurate and practical content.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

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Number of Magnetic Poles in Motors and Basic Rules<\/h2>\n

\"WHAT<\/p>\n

The basic rules governing the number of poles serve as the starting point for interpreting a motor\u2019s performance. While the number of poles is a common specification used across all types of motors, it is a term that is often confused with the number of slots or the number of pole pairs. In this chapter, we will systematically explain what the numerical value for the number of poles represents, why it is expressed as an even number, and how it differs from related terms, summarizing the foundational knowledge necessary for understanding rotational characteristics in later sections.<\/p>\n

\u00a0Contents of This Section<\/strong><\/p>\n