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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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#1847272
WWE AT34-18-575-56CB 3/4 HP 1800RPM 56C FR 575
Brand WorldWide Electric
Model AT34-18-575-56CB
Obsolete
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#1847349
WWE PEWWE2-36-145T 2HP 3600RPM 145T FR 208-230/460
Brand WorldWide Electric
Model PE2-36-145T
Obsolete
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#1847613
WWE PEWWE30-36-286TSC 30HP 3600RPM 286TSC FR 208-230/460
Brand WorldWide Electric
Model PE30-36-286TSC
Obsolete
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#1847556
WWE PEWWE75-36-575-365TS 75HP 3600RPM 365TS FR 575
Brand WorldWide Electric
Model PE75-36-575-365TS
Obsolete
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#1847410
WWE WWE100-9-445T 100HP 900RPM 445T FR 208-230/460
Brand WorldWide Electric
Model 100-9-445T
Obsolete
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#1847504
WWE WWE400-12-586/7-F2 400HP 1200RPM 586/7 FR 460
Brand WorldWide Electric
Model 400-12-586/7-F2
Obsolete
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$2,108.38 Each
Free Shipping
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#5058482
AURORA 46WP1HS450PEE 450HP 1800RPM 460 5808L
Brand Aurora Motors
Model 46WP1HS450PEE
$22,649.23 Each
Free Shipping
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$401.09 Each
Free Shipping
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Obsolete
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Obsolete
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Obsolete