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DF45 - Flat BLDC external rotor motor

  • External rotor Ø 45 mm with low weight
  • Nominal output 30 – 65 Watt
  • with PCB or lead connection

Product Details

Powerful BLDC - DB59

  • Brushless DC motor size 56 mm (NEMA 23)
  • four motor lenghts with 82 - 220 W nominal output
  • optional with hall sensor or magnetic NME1 encoder

Product Details

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BLDC Motors

Affordable electronically commutated 3-phase brushless motors (EC motors) are particularly well suited for applications that need smooth running and a long service life. The high energy permanent magnets allow high acceleration and speeds of up to 14,000rpm with exceptional efficiency. The rotor position is reported electronically using three hall sensors offset by 120°. Optional encoders with up to 1000pulses/rev. allow high-resolution position controlling.

Advantages

  • Significantly higher efficiency and power density than induction motors (with approx. 35% volume and weight reduction with the same output)
  • Very long life span and smooth running with brushless technology and precision ball race
  • Thanks to the linear torque curve, this motor permits an exceptionally large speed range at full motor output and therefore improved matching to the required load conditions
  • Reduced electrical interference emission along with excellent thermal properties
  • Mechanically interchangeable with stepper motors, and hence less construction expense and greater parts variety

In internal rotor motors (DB...), the rotor with permanent magnets rotates on a shaft within a fixed stator with coils. The advantages of internal rotor motors lie in their low rotor inertia and the superior dissipation of heat. These motors are particularly suitable for high speeds.

External rotor motors (DF...) are shorter than internal rotor motors and more economical when produced in large quantities. They offer a lower cogging torque but, because of the larger rotor diameter, a higher rotary torque at the same magnetic force.

Slotless motors (DS...) have ring-shaped metal plates with a flat winding on the inside. While these motors have a very small inductance, the current in the windings rises rapidly. They combine high power density and small diameter size.

Products
Series Size NEMA Nom. Output Nom. Voltage Nom. Speed
W V rpm
DS16 New 16 - 3.7 - 25 12 - 24 22000 - 25000
DB22 22 - 4 - 7.7 24 3500 - 4800
DS28 New 28 - 17 - 29 24 8000
DB28 28 - 6 - 16 15 - 24 3700 - 10000
DB33 33 - 7 24 3000
DB41 New 42 17 22 - 113 24 3000
DB42 42 17 26 - 157 17 - 48 4000 - 14000
DB43 New 42 17 53 - 138 24 - 48 3000
DF32 New 22 - 7.4 24 2760
DF45 22 - 30 - 65 24 4840 - 5260
DB59 56 23 84 - 220 24 3500
DB80 New 80 34 534 48 3000
DB87 87 34 220 - 660 48 3000

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