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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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#2303853
U1927 Marathon Electric
Brand Marathon Electric
Model U1927
$3,182.65 Each
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#2303868
E016 Marathon Electric
Brand Marathon Electric
Model E016
$4,250.59 Each
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#2303579
GT3516 Marathon Electric
Brand Marathon Electric
Model GT3516
$1,090.54 Each
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#2303929
Y1636 Marathon Electric
Brand Marathon Electric
Model Y1636
$9,935.22 Each
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#2303775
GT3531 Marathon Electric
Brand Marathon Electric
Model GT3531
$2,003.82 Each
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#2303466
GT0505 Marathon Electric
Brand Marathon Electric
Model GT0505
$640.95 Each
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#2303408
E2207-P Marathon Electric
Brand Marathon Electric
Model E2207-P
$479.17 Each
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#2303512
Y559A Marathon Electric
Brand Marathon Electric
Model Y559A
$1,101.64 Each
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#2303823
GT2532 Marathon Electric
Brand Marathon Electric
Model GT2532
$3,141.27 Each
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#2303605
GT2514 Marathon Electric
Brand Marathon Electric
Model GT2514
$1,042.22 Each
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#2303614
GT3418 Marathon Electric
Brand Marathon Electric
Model GT3418
$1,166.70 Each
Free Shipping
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#2303386
N348 Marathon Electric
Brand Marathon Electric
Model N348
$536.32 Each
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