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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.
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Item
Price
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#5739262
WEG .1818EP3EALR63FF-W22 .18kW 1800 3 60/50 230/460V
Brand WEG
Model .1818EP3EALR63FF-W22
$179.96 Each
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#5739263
WEG .1836EP3EAL63-W22 .18kW 3600 3 60/50 230/460V
Brand WEG
Model .1836EP3EAL63-W22
$158.96 Each
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#5739994
WEG 20036OT3G444TS-RF 200HP 3600 3 60 460V
Brand WEG
Model 20036OT3G444TS-RF
$7,549.35 Each
Free Shipping
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#5740001
WEG 25036OT3G445TS-RF 250HP 3600 3 60 460V
Brand WEG
Model 25036OT3G445TS-RF
$9,880.67 Each
Free Shipping
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#5739355
WEG .2536EP3HAL63-W22 .25kW 3600 3 60 575V
Brand WEG
Model .2536EP3HAL63-W22
$162.36 Each
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#5740016
WEG 35018ST3HIE449T-W22 350HP 1800 3 60 575 L447/9T
Brand WEG
Model 35018ST3HIE449T-W22
$22,956.71 Each
Free Shipping
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#5740020
WEG 35036OT3G449TSC-RFW4 350HP 3600 3 60 460V RF
Brand WEG
Model 35036OT3G449TSC-RFW4
$12,006.92 Each
Free Shipping
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#5740466
WEG E00158ET3WAX90LF3-W2 1.5KW 1500 3/50/220-240 90L
Brand WEG
Model E00158ET3WAX90LF3-W2
$462.72 Each
Free Shipping
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#5740483
WEG E01118ET3YAX160MF3-W 11KW 1500 50//60 380
Brand WEG
Model E01118ET3YAX160MF3-W
$2,138.22 Each
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#5740494
WEG E03012ET3YAX225SMF3W 30KW 1000 50//60 380
Brand WEG
Model E03012ET3YAX225SMF3W
$8,277.00 Each
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#5740498
WEG E03712ET3YAX250SMF3W 37KW 1000 50//60 380
Brand WEG
Model E03712ET3YAX250SMF3W
$9,231.61 Each
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#5740548
WEG E16018ET3YAX315SMF3W 160KW 1500 50//60 38
Brand WEG
Model E16018ET3YAX315SMF3W
$24,741.50 Each
Free Shipping