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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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#5768563
$11,890.45 Each
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#5768580
$8,209.09 Each
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#5768581
$10,406.53 Each
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Big_card_vertical
#5791255
Marathon 145TTGN16036 1 1/2,1800,EPFC,145TC,3/60,230/460
Brand Marathon Electric
Model 145TTGN16036
$553.82 Each
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#5739445
WEG 00136ES1E143JM-W22 1HP 3600 1 60 208-230/460
Brand WEG
Model 00136ES1E143JM-W22
$354.98 Each
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#5739454
WEG 00136ET3HW56-S 1HP 3600 3 60 575
Brand WEG
Model 00136ET3HW56-S
$222.53 Each
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#5739456
WEG 00136ET3WAL80-W22 1.1kW 3600 3 60/50 460V
Brand WEG
Model 00136ET3WAL80-W22
$231.10 Each
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#5739469
$313.34 Each
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Big_card_vertical
#5739471
WEG 00156ES1E143JP-W22 1.5HP 3600 1 60 208-230/460
Brand WEG
Model 00156ES1E143JP-W22
$379.44 Each
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#5739484
WEG 00156OT3V143JP-S 1.5HP 3600 3 60 200/400
Brand WEG
Model 00156OT3V143JP-S
$277.95 Each
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#5739491
$318.03 Each
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Big_card_vertical
#5739507
WEG 00158OT3J56-S 1.5HP 1800 3 60 380/660
Brand WEG
Model 00158OT3J56-S
$221.40 Each
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