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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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#1312926
$1,070.67 Each
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#2524153
$11.43 Each
Free Shipping orders over $20
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#2971719
WWE NATJE2-36-56JB 2HP 3600RPM 56J FR 208-230/460
Brand WorldWide Electric
Model NATJE2-36-56JB
Call for pricing
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#1847602
WWE PEWWE10-12-256TC 10HP 1200RPM 256TC FR 208-230/460
Brand WorldWide Electric
Model PE10-12-256TC
Obsolete
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#1847475
WWE PEWWE150-12-445/7TSBB 150HP 1200RPM 445/7TS FR 208-230/46
Brand WorldWide Electric
Model PE150-12-445/7TSBB
Obsolete
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#1847513
WWE PEWWE200-18-460-PWS-445/7T 200HP 1800RPM 445/7T FR 460
Brand WorldWide Electric
Model PE200-18-460-PWS-445/7T
Obsolete
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#1847516
WWE WWE300-18-460-PWS-449T 300HP 1800RPM 449T FR 460
Brand WorldWide Electric
Model 300-18-460-PWS-449T
Obsolete
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#1847684
WWE XPEWWE7.5-12-254T 7.5HP 1200RPM 254T FR 208-230/460
Brand WorldWide Electric
Model XPE7.5-12-254T
Obsolete
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Obsolete
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Obsolete
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Obsolete
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Obsolete