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Description: Most industrial motors require AC (alternating current) voltage whose polarity oscillates 60 times a second (for a frequency of 60 Hertz) between positive and negative. Single phase AC motors have brushes just like DC motors. Most of them have capacitors to assist starting and to establish the direction of rotation. Changing direction implies changes in the capacitors’ connection. Speed is directly proportional to the applied voltage (just like DC motors). Usage is restricted to low-power uses (home appliances like vacuum cleaners, washing machines, coffee grinders, or power tools like rotary hammers etc.). For higher power requirements, three-phase AC motors are used. These do not have carbon brushes to wear out, their rotors (called squirrel cages) have no electrical connections, thus making them extremely robust and long-lived. Only the stator windings are connected to the power line. They just keep turning as long as their ball bearings are OK. Changing direction requires swapping any two of the three phase lines. Speed control is done by modifying the frequency of the AC delivered to the motor; this can be done using complex devices called AC drives.
Item ID
Item
Price
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#5763031
$79.73 Each
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#5763067
$219.89 Each
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#5763076
Fasco D5488 OEM Replacement 825RPM
Brand Fasco
Model D5488
$111.90 Each
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#1054334
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#5051435
Teco-Westinghouse DHP1006FP FIRE PUMP MOTOR
Brand Teco-Westinghouse
Model DHP1006FP
$5,648.34 Each
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#5739588
WEG 00318ET3WAL100LFF-W2 3kW 1800 3 60/50 460V
Brand WEG
Model 00318ET3WAL100LFF-W2
$386.21 Each
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#5739793
WEG 01036ES1E215TC-W22 10HP 3600 1 60 208-230/460V
Brand WEG
Model 01036ES1E215TC-W22
$1,025.39 Each
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#5745916
WWE PEWWE250-12-586/7 250HP 1200RPM 586/7 FR 460
Brand WorldWide Electric
Model PEWWE250-12-586/7
$16,584.88 Each
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#5763006
Fasco D2842 OEM Replacement 825RPM
Brand Fasco
Model D2842
$181.97 Each
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#5763124
Fasco D917 5.6" 1/6HP 208 - 230V
Brand Fasco
Model D917
$118.53 Each
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$280.20 Each
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