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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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#2303715
Y1610 Marathon Electric
Brand Marathon Electric
Model Y1610
$1,893.36 Each
Free Shipping
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#2303738
GT3227 Marathon Electric
Brand Marathon Electric
Model GT3227
$1,695.64 Each
Free Shipping
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#2303923
U912A Marathon Electric
Brand Marathon Electric
Model U912A
$8,928.45 Each
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#2303688
GT2520 Marathon Electric
Brand Marathon Electric
Model GT2520
$1,403.06 Each
Free Shipping
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#2303499
E2210-P Marathon Electric
Brand Marathon Electric
Model E2210-P
$579.34 Each
Free Shipping
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#2303804
GT3434 Marathon Electric
Brand Marathon Electric
Model GT3434
$2,472.64 Each
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#2303674
E2142 Marathon Electric
Brand Marathon Electric
Model E2142
$1,111.96 Each
Free Shipping
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#2303622
GT3214 Marathon Electric
Brand Marathon Electric
Model GT3214
$1,094.93 Each
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#2303390
U924A Marathon Electric
Brand Marathon Electric
Model U924A
$423.86 Each
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#2303417
GT3404 Marathon Electric
Brand Marathon Electric
Model GT3404
$483.76 Each
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#2303414
GT3107 Marathon Electric
Brand Marathon Electric
Model GT3107
$506.22 Each
Free Shipping
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#2303307
X449 Marathon Electric
Brand Marathon Electric
Model X449
$307.05 Each
Free Shipping