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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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#2303354
R430A Marathon Electric
Brand Marathon Electric
Model R430A
$910.42 Each
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#2303494
GT3510 Marathon Electric
Brand Marathon Electric
Model GT3510
$639.97 Each
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#2303301
X200 Marathon Electric
Brand Marathon Electric
Model X200
$121.07 Each
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#2303811
Y1618 Marathon Electric
Brand Marathon Electric
Model Y1618
$2,318.75 Each
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#2303915
Y1637 Marathon Electric
Brand Marathon Electric
Model Y1637
$14,156.60 Each
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#2303744
GT3528 Marathon Electric
Brand Marathon Electric
Model GT3528
$1,854.16 Each
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#2303807
GT3429 Marathon Electric
Brand Marathon Electric
Model GT3429
$3,915.32 Each
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#2303806
GT3129 Marathon Electric
Brand Marathon Electric
Model GT3129
$3,915.32 Each
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#2303821
GT2432 Marathon Electric
Brand Marathon Electric
Model GT2432
$3,142.11 Each
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#2303741
GT3128 Marathon Electric
Brand Marathon Electric
Model GT3128
$1,854.16 Each
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#2303461
Y286A Marathon Electric
Brand Marathon Electric
Model Y286A
$1,319.85 Each
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#2303383
U986A Marathon Electric
Brand Marathon Electric
Model U986A
$617.38 Each
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