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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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#5739756
WEG 00736OP3HFP184JMV-S 7.5HP 3600 3 60 575
Brand WEG
Model 00736OP3HFP184JMV-S
$516.86 Each
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#5739843
WEG 01536ET3V254JP-S 15HP 3600 3 60 200/400
Brand WEG
Model 01536ET3V254JP-S
$1,368.39 Each
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#5739846
WEG 01536OP3EFP215JPV-S 15HP 3600 3 60 230/460
Brand WEG
Model 01536OP3EFP215JPV-S
$841.65 Each
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#5739874
WEG 02036ET3H256JM-S 20HP 3600 3 60 575
Brand WEG
Model 02036ET3H256JM-S
$1,543.29 Each
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#5739906
WEG 02536ET3H256JP-S 25HP 3600 3 60 575
Brand WEG
Model 02536ET3H256JP-S
$1,715.57 Each
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#5739913
WEG 02536OP3HFP256JPV-S 25HP 3600 3 60 575
Brand WEG
Model 02536OP3HFP256JPV-S
$1,310.63 Each
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#5739920
WEG 02536OT3H256JMV-S 25HP 3600 3 60 575
Brand WEG
Model 02536OT3H256JMV-S
$1,403.27 Each
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#5739995
WEG 25012OT3G447/9T-W40 250HP 1200 3 60 460
Brand WEG
Model 25012OT3G447/9T-W40
$14,183.13 Each
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#1802684
Y1372 Marathon Electric
Brand Marathon Electric
Model Y1372
$756.78 Each
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$196.17 Each
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$196.17 Each
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$633.77 Each
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