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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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$24.77 Each
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#2524157
WEG TBX-BASEPLATE360/400 BASEPLATE FOR 360/44 Motores
Brand WEG
Model TBX-BASEPLATE360/400
$65.85 Each
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$86.40 Each
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$43.07 Each
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$18.80 Each
Free Shipping orders over $20
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#2524624
$123.27 Each
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#1847545
WWE PEWWE30-18-575-286T 30HP 1800RPM 286T FR 575
Brand WorldWide Electric
Model PE30-18-575-286T
Obsolete
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#1847818
WWE WO3-12-213T 3HP 1200RPM 213T FR 230/460/796
Brand WorldWide Electric
Model WO3-12-213T
Obsolete
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#1847436
WWE WWE300-18-449T 300HP 1800RPM 449T FR 460
Brand WorldWide Electric
Model 300-18-449T
Obsolete
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#2834142
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