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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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$207.22 Each
Free Shipping
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$380.39 Each
Free Shipping
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$914.52 Each
Free Shipping
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$713.61 Each
Free Shipping
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#2523542
$41.57 Each
Free Shipping
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#5027496
WWE HHI2-18-145TCRD 2HP 1800RPM 145TC FR 208-230/460
Brand Hyundai
Model HHI2-18-145TCRD
$320.42 Each
Free Shipping
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#1847412
WWE PEWWE125-18-444T 125HP 1800RPM 444T FR 208-230/460
Brand WorldWide Electric
Model PE125-18-444T
Obsolete
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#1847630
WWE PEWWE125-36-444TSC 125HP 3600RPM 444TSC FR 208-230/460
Brand WorldWide Electric
Model PE125-36-444TSC
Obsolete
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#1847567
WWE PEWWE150-36-575-445TS 150HP 3600RPM 445TS FR 575
Brand WorldWide Electric
Model PE150-36-575-445TS
Obsolete
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#1847593
WWE PEWWE3-12-213TC 3HP 1200RPM 213TC FR 208-230/460
Brand WorldWide Electric
Model PE3-12-213TC
Obsolete
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#1847399
WWE PEWWE60-12-404T 60HP 1200RPM 404T FR 208-230/460
Brand WorldWide Electric
Model PE60-12-404T
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