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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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#5739579
WEG 00318ES1ER184TC-W22 3HP 1800 1 60 208-230/460V
Brand WEG
Model 00318ES1ER184TC-W22
$474.69 Each
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#5739589
WEG 00318ET3WAL100L-W22 3kW 1800 3 60/50 460V
Brand WEG
Model 00318ET3WAL100L-W22
$349.77 Each
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#5739611
$419.01 Each
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#5739754
WEG 00736OP3EFP184JMV-S 7.5HP 3600 3 60 230/460
Brand WEG
Model 00736OP3EFP184JMV-S
$516.86 Each
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#5739764
WEG 00736OT3V184JM-S 7.5HP 3600 3 60 200/400
Brand WEG
Model 00736OT3V184JM-S
$565.26 Each
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#5739847
WEG 01536OP3HFP215JMV-S 15HP 3600 3 60 575
Brand WEG
Model 01536OP3HFP215JMV-S
$841.65 Each
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#5739888
WEG 02036OT3H254JMV-S 20HP 3600 3 60 575
Brand WEG
Model 02036OT3H254JMV-S
$1,147.71 Each
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#5739890
WEG 02036OT3V254JM-S 20HP 3600 3 60 200/400
Brand WEG
Model 02036OT3V254JM-S
$1,096.70 Each
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#5739367
$125.47 Each
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$1,188.32 Each
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$3,894.94 Each
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$5,723.69 Each
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