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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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#5768549
$497.54 Each
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#5739420
WEG 00118ES1ER143TC-S 1HP 1800 1 60 208-230/460V
Brand WEG
Model 00118ES1ER143TC-S
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#5739432
WEG 00118NT3ESS56CFL 1HP 1800 3 60 230/460
Brand WEG
Model 00118NT3ESS56CFL
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#5739436
WEG 00118OS3EFBW56-S 1HP 1800 3 60 208-230/460
Brand WEG
Model 00118OS3EFBW56-S
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#5739462
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#5739465
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#5739467
WEG 00152ET3WAL100L-W22 1.5kW 1200 3 60/50 460V
Brand WEG
Model 00152ET3WAL100L-W22
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#5739473
WEG 00156ET3EPM143/5Y-W2 1.5HP 2P 3 60 230/460 TEAO
Brand WEG
Model 00156ET3EPM143/5Y-W2
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#5739477
WEG 00156ET3WAL90SFF-W22 1.5kW 3600 3 60//50 460
Brand WEG
Model 00156ET3WAL90SFF-W22
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