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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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#5739806
WEG 01036OP3VFP213JPV-S 10HP 3600 3 60 200/400
Brand WEG
Model 01036OP3VFP213JPV-S
$662.60 Each
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#5739825
WEG 01518ET3EBM254TC-S 15HP 1800 3 60 208-230/460
Brand WEG
Model 01518ET3EBM254TC-S
$2,597.30 Each
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#5739886
WEG 02036OT3E254JPV-S 20HP 3600 3 60 230/460
Brand WEG
Model 02036OT3E254JPV-S
$1,147.19 Each
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#5739904
WEG 02536ET3E256T-S 25HP 3600 3 60 230/460
Brand WEG
Model 02536ET3E256T-S
$1,294.49 Each
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#5739385
$208.92 Each
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#5740478
WEG E00536ET3YAX132SF3-W 5.5KW 3000 50//60 38
Brand WEG
Model E00536ET3YAX132SF3-W
$1,109.70 Each
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#5740553
WEG E20012EP3YAX315LF3-W 200KW 1000 50//60 38
Brand WEG
Model E20012EP3YAX315LF3-W
$34,846.51 Each
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#2303422
U987A Marathon Electric
Brand Marathon Electric
Model U987A
$657.36 Each
Free Shipping
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$1,661.31 Each
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$3,281.25 Each
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$3,663.42 Each
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$7,910.86 Each
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