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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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#1847487
WWE PEWWE75-18-365T-F2 75HP 1800RPM 365T FR 208-230/460
Brand WorldWide Electric
Model PE75-18-365T-F2
Obsolete
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#1847432
WWE WWE250-12-449TBB 250HP 1200RPM 449T FR 460
Brand WorldWide Electric
Model 250-12-449TBB
Obsolete
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#1847719
WWE XPEWWE150-18-444/5TBB 150HP 1800RPM 444/5T FR 460
Brand WorldWide Electric
Model XPE150-18-444/5TBB
Obsolete
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#1847748
WWE XPEWWE50-18-326TC 50HP 1800RPM 326TC FR 208-230/460
Brand WorldWide Electric
Model XPE50-18-326TC
Obsolete
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$352.93 Each
Free Shipping
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$8,130.74 Each
Free Shipping
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#2527361
$100.18 Each
Free Shipping
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#5058392
AURORA 4WP1HS100HE 100HP 1800RPM 230/460 404TP
Brand Aurora Motors
Model 4WP1HS100HE
$3,963.47 Each
Free Shipping
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#5058394
AURORA 4WP1HS150HE 150HP 1800RPM 230/460 444TP
Brand Aurora Motors
Model 4WP1HS150HE
$5,264.33 Each
Free Shipping
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Obsolete
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Obsolete
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Obsolete