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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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#5739992
WEG 20036ET3E447TSF3-W22 200HP 3600 3 60 208-230/460V
Brand WEG
Model 20036ET3E447TSF3-W22
$12,632.04 Each
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#5740000
WEG 25036OT3G445TSC-RF 250HP 3600 3 60 460V RF
Brand WEG
Model 25036OT3G445TSC-RF
$8,113.58 Each
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#5740008
WEG 30018ST3HIE449T-W22 300HP 1800 3 60 575
Brand WEG
Model 30018ST3HIE449T-W22
$19,159.65 Each
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#5740031
WEG 45036OP3HFP447/9TSW4 450HP 3600 3 60 575
Brand WEG
Model 45036OP3HFP447/9TSW4
$13,561.66 Each
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#5740472
WEG E00336ET3WAX100LF3-W 3KW 3000 3/50/220-240 100L
Brand WEG
Model E00336ET3WAX100LF3-W
$629.81 Each
Free Shipping
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#5740485
WEG E01512ET3YAX180LF3-W 15KW 1000 50//60 380
Brand WEG
Model E01512ET3YAX180LF3-W
$3,705.44 Each
Free Shipping
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#5740495
$6,733.20 Each
Free Shipping
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#5740501
$5,777.04 Each
Free Shipping
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#5740510
$14,220.09 Each
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#5740513
WEG E05536ET3YAX250SMF3W 55KW 3000 50//60 380
Brand WEG
Model E05536ET3YAX250SMF3W
$10,243.46 Each
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#5740518
$12,484.74 Each
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#5740528
$25,326.55 Each
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