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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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#2303589
E2140 Marathon Electric
Brand Marathon Electric
Model E2140
$679.99 Each
Free Shipping
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#2303931
Y826A Marathon Electric
Brand Marathon Electric
Model Y826A
$9,021.63 Each
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#2303759
GT0526 Marathon Electric
Brand Marathon Electric
Model GT0526
$2,252.14 Each
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#2303788
GT0429 Marathon Electric
Brand Marathon Electric
Model GT0429
$2,682.16 Each
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#2303577
GT3216 Marathon Electric
Brand Marathon Electric
Model GT3216
$1,090.54 Each
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#2303660
GT3221 Marathon Electric
Brand Marathon Electric
Model GT3221
$1,259.30 Each
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#2303409
E2204-P Marathon Electric
Brand Marathon Electric
Model E2204-P
$458.95 Each
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#2303561
GT2411 Marathon Electric
Brand Marathon Electric
Model GT2411
$895.28 Each
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#2303583
GT3511 Marathon Electric
Brand Marathon Electric
Model GT3511
$906.03 Each
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#2303238
Y900 Marathon Electric
Brand Marathon Electric
Model Y900
$25,777.75 Each
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#2303496
GT3405 Marathon Electric
Brand Marathon Electric
Model GT3405
$743.95 Each
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#2303668
GT3417 Marathon Electric
Brand Marathon Electric
Model GT3417
$1,634.93 Each
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