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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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#5739351
$124.89 Each
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#5740012
WEG 30036OT3G445TS-RF 300HP 3600 3 60 460V
Brand WEG
Model 30036OT3G445TS-RF
$11,604.05 Each
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#5740013
WEG 35018OP3GFP447/9TSW4 350HP 1800 3 60 460
Brand WEG
Model 35018OP3GFP447/9TSW4
$11,871.07 Each
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#5739379
$156.12 Each
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#5739399
$279.51 Each
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#5739408
$208.35 Each
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#5739409
$160.09 Each
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#5740504
$11,213.68 Each
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#5740517
WEG E07518ET3YAX280SMF3W 75KW 1500 50//60 380
Brand WEG
Model E07518ET3YAX280SMF3W
$14,091.00 Each
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#5740459
WEG E0.7536ET3WAX80F3-W2 0.75KW 3000 3/50/220-240 80
Brand WEG
Model E0.7536ET3WAX80F3-W2
$343.01 Each
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#5740543
WEG E16012EP3YAX355MLF3W 160KW 1000 50//60 38
Brand WEG
Model E16012EP3YAX355MLF3W
$34,244.81 Each
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#5740550
WEG E16036EP3YAX315SMF3W 160KW 3000 50//60 38
Brand WEG
Model E16036EP3YAX315SMF3W
$20,231.88 Each
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