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Frequency and Speed of Electrical Motors

The velocity of 2, 4, 6 and 8 poles electrical motors at 50 Hz and 60 Hz

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The velocity at which an induction motor will operate depends on the input power frequency and the number of electrical magnetic poles in the motor.

Speed (RPM)
Poles	Frequency 50 Hz		Frequency 60 Hz
Poles	Synchronous	Full Load	Synchronous	Full Load
2	3,000	2,850	3,600	3,450
4	1,500	1,425	1,800	1,725
6	1,000	950	1,200	1,150
8	750	700	900	850

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