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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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#1847368
WWE PEWWE15-36-254T 15HP 3600RPM 254T FR 208-230/460
Brand WorldWide Electric
Model PE15-36-254T
Obsolete
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$377.25 Each
Free Shipping
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$2,355.74 Each
Free Shipping
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Obsolete
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$474.90 Each
Free Shipping
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#701800
BALDOR EM0027A25 REGULATORVOLTAGE AS440
Brand Baldor
Model EM0027A25
$720.96 Each
Free Shipping
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#2840445
BALDOR EMM13552-AP-50N M3AA 132SB 2P B3 5.5KW :
Brand Baldor
Model EMM13552-AP-50N
$726.29 Each
Free Shipping
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#2211487
BALDOR JM825
Brand Baldor
Model JM825
Obsolete
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#2549055
Baldor MM22452-PP M3BP 225 SMA 2P B3 45265W
Brand Baldor
Model MM22452-PP
Obsolete
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Obsolete
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#701318
BALDOR P32G0350F-RS ROTOR/SHAFT ASSY
Brand Baldor
Model P32G0350F-RS
$3,810.49 Each
Free Shipping
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Obsolete