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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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#1847654
WWE PEWWE125-18-444TC-F2 125HP 1800RPM 444TC FR 208-230/460
Brand WorldWide Electric
Model PE125-18-444TC-F2
Obsolete
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#1847401
WWE PEWWE75-36-365T 75HP 3600RPM 365T FR 208-230/460
Brand WorldWide Electric
Model PE75-36-365T
Obsolete
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#1847449
WWE WWE350-12-586/7BB 350HP 1200RPM 586/7 FR 460
Brand WorldWide Electric
Model 350-12-586/7BB
Obsolete
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#1847737
WWE XPEWWE100-18-575-405TBB 100HP 1800RPM 405T FR 575
Brand WorldWide Electric
Model XPE100-18-575-405TBB
Obsolete
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$6,394.54 Each
Free Shipping
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$1,238.13 Each
Free Shipping
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$3,696.08 Each
Free Shipping
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$284.46 Each
Free Shipping
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$318.24 Each
Free Shipping
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Obsolete
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$3,820.91 Each
Free Shipping