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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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#2548560
Obsolete
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Obsolete
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#699624
BALDOR P14H4003 P14H4003
Brand Baldor
Model P14H4003
$324.64 Each
Free Shipping
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Obsolete
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Obsolete
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$5,304.14 Each
Free Shipping
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Obsolete
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#39443
BOSTON 19785 KUTF-5/8-B 2H230/460VTEFC56C AC MOTOR
Brand Boston Gear
Model KUTF-5/8-B
$412.67 Each
Free Shipping
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#39538
BOSTON 61314 BLUTF-B 3H 230/460V3FT AC MOTOR
Brand Boston Gear
Model BLUTF-B
$239.53 Each
Free Shipping
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#39675
BOSTON 65460 HYTF-W AC MOTOR
Brand Boston Gear
Model HYTF-W
$290.69 Each
Free Shipping
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#39738
BOSTON 66307 EUX-B 1/3H 230/460V3 AC MOTOR
Brand Boston Gear
Model EUX-B
$401.23 Each
Free Shipping
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#39742
BOSTON 66325 GUX-B 3/4H 230/460V3 AC MOTOR
Brand Boston Gear
Model GUX-B
$324.71 Each
Free Shipping