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Description: DC (direct current) motors require electrical power from a battery or a rectifier (a device that makes DC from AC - alternating current). DC means the voltage applied to the motor has constant polarity (+ and -). The direction of rotation can simply be changed by changing voltage polarity (either at the stator or the rotor, but not both at the same time). A DC motor roughly consists of a stationary part (the stator), featuring stationary magnets or field coils that create a static magnetic field, and a rotating part (the rotor), that features coils wound around the rotor axle. The opposition between the stator magnetic field and the rotor’s field produces rotation. The speed of DC motors is directly proportional to the applied voltage, which influences the armature (rotor) current (more voltage = more current = increased speed). DC motor torque does not depend on speed (unlike AC motors or car engines), so DC motors retain power even at low speeds. This is important especially for motors that must start under full load. DC motors have brushes – parts that convey electricity to the armature while rotating. These are parts that wear out and must be checked regularly. “Brush” is a historical name that somehow stuck - today’s motors have carbon “brushes” that have a much longer life than the initial wire brushes. There are DC motors that are brushless, but these are not true DC motors but actually AC motors that convert internally DC into AC (e.g. computer fans).
Item ID
Item
Price
Quantity
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#2549041
Baldor MM20302-PP M3BP 200 MLA 2P B3 30265W
Brand Baldor
Model MM20302-PP
Obsolete
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Obsolete
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#2548881
Baldor EMM10226-PP M3BP 132SMC 6P B3 2.2265W
Brand Baldor
Model EMM10226-PP
Obsolete
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#2548882
Baldor EMM11042-AP-50 M3AA 112MB 2P B3 4265W
Brand Baldor
Model EMM11042-AP-50
Obsolete
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#2548917
Baldor EMM20304-PP M3BP 200 MLA 4P B3 30265W
Brand Baldor
Model EMM20304-PP
Obsolete
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#2548923
Baldor EMM25554-PP M3BP 250 SMA 4P B3 55265W
Brand Baldor
Model EMM25554-PP
Obsolete
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#2549013
Baldor MM16112-PP M3BP 160 MLA 2P B3 11265W
Brand Baldor
Model MM16112-PP
Obsolete
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#2548916
Baldor EMM20302-PP M3BP 200 MLA 2P B3 30265W
Brand Baldor
Model EMM20302-PP
Obsolete
Big_card_vertical
Obsolete
Big_card_vertical
Big_card_vertical
Obsolete
Big_card_vertical
#2548912
Baldor EMM18222-PP M3BP 180 MLA 2P B3 22265W
Brand Baldor
Model EMM18222-PP
Obsolete