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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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$1,778.31 Each
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#2840629
BALDOR MM16152-APN M3AA 160 MLB 2P B3 15KW :
Brand Baldor
Model MM16152-APN
$1,335.43 Each
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Big_card_vertical
$4,270.47 Each
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$5,022.94 Each
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Obsolete
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#39465
BOSTON 50337 FU5TF-B 1/2H 220/380/440V50ZAC
Brand Boston Gear
Model FU5TF-B
$596.37 Each
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#39694
BOSTON 66133 FU-B 1/2H 230/460V3 AC MOTOR
Brand Boston Gear
Model FU-B
$278.60 Each
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$313.44 Each
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$611.71 Each
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#2275893
Browning CTFB 1.5 5V 145TC 100 C-FACE ATO BRAKEMOTORS-900
Brand Browning
Model CTFB 1.5 5V 145TC 100
$1,108.95 Each
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#2275923
Browning CTIFB 3.0 2/4V 182TC 100 C-FACE ATO BRAKEMOTORS-900
Brand Browning
Model CTIFB 3.0 2/4V 182TC 1
$1,568.07 Each
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