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Description: These are D that have permanent magnets on their stators instead of field coils. Functionality is retained but the motors are simpler and more compact. Large, powerful motors are very difficult to construct mainly because of the difficulties in fabricating big permanent magnets. Neodymium magnets allowed the building of very small and powerful motors, but these magnets are costly and prone to cracking under mechanical stress. As a result, permanent magnet motors are usually confined to low-power tasks, where simplicity and small size are paramount such as toys, battery-powered tools like screwdrivers, etc. Another disadvantage is the fact that, in spite of their name, all permanent magnets lose strength over time. Field coils do not have this issue as they produce the magnetic field on the spot.
Item ID
Item
Price
Quantity
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#22512
BALDOR MTE-4090-BLBCE 40LI 2500RPM DC 5440P
Brand Baldor
Model MTE-4090-BLBCE
Obsolete
Big_card_vertical
Obsolete
Big_card_vertical
#22533
Obsolete
Big_card_vertical
#22517
Obsolete
Big_card_vertical
#22584
Obsolete
Big_card_vertical
#22555
Obsolete
Big_card_vertical
Obsolete
Big_card_vertical
#22585
Obsolete
Big_card_vertical
Obsolete
Big_card_vertical
#1847329
WWE WPMDC1.5-18-180V-56CB 1.5HP 1800RPM 56C FR 180
Brand WorldWide Electric
Model WPMDC1.5-18-180V-56CB
$430.00 Each
Free Shipping
Big_card_vertical
#22582
Obsolete
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Obsolete
Big_card_vertical
#22543
Obsolete
Big_card_vertical
#39420
Boston 30219956 19123 PM950AT-B 1/2 HP DC MOTOR
Brand Boston Gear
Model 30219956
$574.19 Each
Free Shipping
Big_card_vertical
Obsolete
Big_card_vertical
#22563
Obsolete
Big_card_vertical
#39498
$417.56 Each
Free Shipping
Big_card_vertical
#22581
Obsolete
Big_card_vertical
#39502
$501.40 Each
Free Shipping
Big_card_vertical
#22558
Obsolete
Big_card_vertical
#22549
Obsolete
Big_card_vertical
#39418
Boston 30219954 19121 PM925AT-B 1/4 HP DC MOTOR
Brand Boston Gear
Model 30219954
$478.49 Each
Free Shipping
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#39849
$879.30 Each
Free Shipping
Big_card_vertical
#22583
Obsolete
Big_card_vertical
#1847332
WWE WPMDC2-18-180V-145TCB 2HP 1800RPM 145TC FR 180
Brand WorldWide Electric
Model WPMDC2-18-180V-145TCB
$870.00 Each
Free Shipping
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#22559
Obsolete
Big_card_vertical
#39416
$522.44 Each
Free Shipping
Big_card_vertical
#39847
$711.28 Each
Free Shipping
Big_card_vertical
#39851
$1,683.60 Each
Free Shipping
Big_card_vertical
#2211836
Obsolete
Big_card_vertical
#39414
$468.14 Each
Free Shipping
Big_card_vertical
$879.30 Each
Free Shipping
Big_card_vertical
#39417
Boston 30219953 19120 PM916AT-B 1/6 HP DC MOTOR
Brand Boston Gear
Model 30219953
$468.14 Each
Free Shipping
Big_card_vertical
#39504
$626.40 Each
Free Shipping
Big_card_vertical
Obsolete
Big_card_vertical
#39419
Boston 30219955 19122 PM933AT-B 1/3 HP DC MOTOR
Brand Boston Gear
Model 30219955
$519.88 Each
Free Shipping
Big_card_vertical
#39429
$633.60 Each
Free Shipping
Big_card_vertical
#39846
$468.14 Each
Free Shipping
Big_card_vertical
#39415
$475.93 Each
Free Shipping
Big_card_vertical
#2211835
Obsolete
Big_card_vertical
#1847330
WWE WPMDC1.5-18-180V-145TCB 1.5HP 1800RPM 145TC FR 180
Brand WorldWide Electric
Model WPMDC1.5-18-180V-145TCB
$640.00 Each
Free Shipping
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#39828
$1,916.28 Each
Free Shipping
Big_card_vertical
$879.30 Each
Free Shipping
Big_card_vertical
#39497
Boston 30238897 59476 PM916T 1/6 HP DC PM MOTOR
Brand Boston Gear
Model 30238897
$407.44 Each
Free Shipping
Big_card_vertical
$468.14 Each
Free Shipping
Big_card_vertical
#39850
$879.30 Each
Free Shipping
Big_card_vertical
#39838
$2,533.33 Each
Free Shipping
Big_card_vertical
#39496
$407.44 Each
Free Shipping
Big_card_vertical
#39505
$626.40 Each
Free Shipping
Big_card_vertical
#39499
Boston 30238899 59478 PM925T 1/4 HP DC PM MOTOR
Brand Boston Gear
Model 30238899
$417.56 Each
Free Shipping
Big_card_vertical
#39511
$1,667.67 Each
Free Shipping
Big_card_vertical
#39509
Boston 59488 PM18100TF-5/8 1 HP DC PM MOTOR
Brand Boston Gear
Model 59488
Obsolete
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#39839
Boston 30242326 69412 PM18500TF-B 5 HP 180V PM
Brand Boston Gear
Model 30242326
$4,087.59 Each
Free Shipping
Big_card_vertical
Obsolete
Big_card_vertical
#39506
Boston 30238906 59485 PM9100TF 1 HP DC PM MOTOR
Brand Boston Gear
Model 30238906
$757.67 Each
Free Shipping
Big_card_vertical
$2,114.48 Each
Free Shipping
Big_card_vertical
#39503
$543.26 Each
Free Shipping
Big_card_vertical
#39510
$1,457.56 Each
Free Shipping
Big_card_vertical
#39507
BOSTON 59486 PM9100TF-5/8 1 HP DC PM MOTOR
Brand Boston Gear
Model PM9100TF-5/8
$376.24 Each
Free Shipping
Big_card_vertical
#39508
BOSTON 59487 PM18100TF 1 HP DC PM MOTOR
Brand Boston Gear
Model PM18100TF
$376.24 Each
Free Shipping