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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
Quantity
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#1847394
WWE PEWWE50-12-365T 50HP 1200RPM 365T FR 208-230/460
Brand WorldWide Electric
Model PE50-12-365T
Obsolete
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#1847362
WWE PEWWE7.5-12-254T 7.5HP 1200RPM 254T FR 208-230/460
Brand WorldWide Electric
Model PE7.5-12-254T
Obsolete
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#1847622
WWE PEWWE75-36-365TSC 75HP 3600RPM 365TSC FR 208-230/460
Brand WorldWide Electric
Model PE75-36-365TSC
Obsolete
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#1847529
WWE PEWWE7.5-36-575-213T 7.5HP 3600RPM 213T FR 575
Brand WorldWide Electric
Model PE7.5-36-575-213T
Obsolete
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#1847502
WWE WWE350-12-586/7-F2 350HP 1200RPM 586/7 FR 460
Brand WorldWide Electric
Model 350-12-586/7-F2
Obsolete
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#5058470
AURORA 46WP1HS040PEE 40HP 1800RPM 460 324TP
Brand Aurora Motors
Model 46WP1HS040PEE
$2,660.53 Each
Free Shipping
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#5121731
AURORA 6TEP254T-7.5 6POLE 7.5HP 254T TEFC
Brand Aurora Motors
Model 6TEP254T-7.5
$634.80 Each
Free Shipping
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#699787
Obsolete
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Obsolete
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Obsolete
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Obsolete
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Obsolete