We hear the terms RPM and frequency used a lot to describe fuck machines when we discuss motors. But what does that tell me, especially for a 4-pole motor on a 50Hz supply? Let’s put it another way.
It is a 4-pole motor; that is, one that has four magnetic poles inside. These poles assist the motor in turning and generating power. That means when the motor is running at 50Hz, it receives 50 cycles of power each second. This frequency governs how quickly the motor spins and how much power it generates.
RPM is short for revolutions per minute. This is how many revolutions the motor makes per minute. The 4-pole motors rotating with 50 Hz has speed of nearly 1500 RPM. That is the 4 pole motor turns 1500 times every minute!

For a 4-pole motor, speed is critical to frequency. If the frequency is greater, the FENG YIN 4 pole dc motor spins at a faster rate. The lower the frequency, the slower the motor spins. If 50Hz 4-pole motor is used the speed can be around 1500 RPM. If that frequency were to become 60Hz, the speed would be approximately 1800 RPM.

While 4-pole motors are nice and reliable, they can encounter some issues when running at 50Hz. One big challenge is that the motor may not be powerful enough for certain machines. This may cause the motor to overheat and fail. You will need to check the FENG YIN 4 pole ac motor's specifications to make sure that it can work under those conditions at 50Hz.

Despite some issues, 4-pole motors by FENG YIN are highly advantageous when optimized at 50Hz. They are sturdy, and they last a long time, meaning that they are excellent for many applications. 4-pole motors can suit 50Hz application well, if the motor construction can be bettered and well-maintained.
All our motors and fans are certified with CCC and CE, demonstrating compliance with international safety and quality standards, making them suitable for global distribution and diverse commercial applications.
With over 17 years of specialization since 2007, we focus on developing and manufacturing a wide range of micro motors, including shaded-pole, capacitor asynchronous, dual-voltage, and DC brushless motors, catering to multiple industries from commercial refrigeration to medical equipment.
We have a specialized team focused on motor R&D, production, and quality control, operating in strict compliance with ISO9001 standards to ensure each product meets high-performance and safety requirements.
Our factory operates multiple automated motor production lines supported by dedicated testing equipment, achieving an annual production capacity of 4 million micro motors to ensure consistent quality and reliable supply.