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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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#727948
LM80137 CCD4P100TS62YAP5
Brand Leeson
Model LM80137
$4,131.99 Each
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#727958
LM80147 CCD2P150TS6011PYAP5
Brand Leeson
Model LM80147
$4,032.95 Each
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#727978
LM80167 CCD4P300TS6011PYAP5
Brand Leeson
Model LM80167
$7,865.85 Each
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Obsolete
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$5,463.44 Each
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$2,940.00 Each
Free Shipping
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$1,024.00 Each
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$18,563.00 Each
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#2246519
Techtop BL3-RS-OP-56-4-B-D-.33-RS BLUE LINE 3 PHASE ODP ROLLED STE
Brand Techtop
Model BL3-RS-OP-56-4-B-D-.33-RS
$129.60 Each
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#2246427
$558.24 Each
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#2246449
$149.60 Each
Free Shipping