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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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#2524002
$1.62 Each
Free Shipping orders over $20
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#2524075
$19.20 Each
Free Shipping orders over $20
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#2524082
$19.65 Each
Free Shipping orders over $20
Big_card_vertical
$75.60 Each
Free Shipping
Big_card_vertical
$127.80 Each
Free Shipping
Big_card_vertical
$108.45 Each
Free Shipping
Big_card_vertical
#2524622
$114.67 Each
Free Shipping
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#1847535
WWE PEWWE15-36-575-254T 15HP 3600RPM 254T FR 575
Brand WorldWide Electric
Model PE15-36-575-254T
Obsolete
Big_card_vertical
#1847520
WWE PEWWE2-36-575-145T 2HP 3600RPM 145T FR 575
Brand WorldWide Electric
Model PE2-36-575-145T
Obsolete
Big_card_vertical
#1847356
WWE PEWWE5-36-184T 5HP 3600RPM 184T FR 208-230/460
Brand WorldWide Electric
Model PE5-36-184T
Obsolete
Big_card_vertical
#1847435
WWE WWE250-9-586/7 250HP 900RPM 586/7 FR 460
Brand WorldWide Electric
Model 250-9-586/7
Obsolete
Big_card_vertical
#1847669
WWE WWE40-18-324TCRD 40HP 1800RPM 324TC FR 208-230/460
Brand WorldWide Electric
Model 40-18-324TCRD
Obsolete