DB42S02 –  Brushless DC motor


  • 25 in Stock

Technical Data

  • NEMA 17 
  • Rated Power 42 W
  • Rated Torque 5 Ncm
  • Rated Current 3.57 A
  • Rated Speed 8000 rpm
  • Rotor Inertia 24 gcm²
  • Line to Line Inductance 0.25 mH
  • Weight 0.25 kg
  • Size
  • Rated Voltage 17 V
  • Peak Torque
  • Peak Current 10.78 A
  • Torque Constant 1.4 Ncm/A
  • Line to Line Resistance 0.19 Ohm
  • Length "A"



Knowledge Base

Brushless direct current motors, abbreviated as BLDC motors, are – despite their name –  three-phase current synchronous machines: the rotor follows a magnetic rotational field and the movement is synchronous to the AC voltage applied to the windings. This motor type is frequently referred to as "brushless direct current motor" because, in many applications, it replaces direct current motors with brushes (brushed DC or commutator...
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NanoJ is a programming language that is integrated in the Plug & Drive Studio software. Velocity mode This program is used to select the speed mode and switch on the "state machine". The motor starts automatically. ...
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In contrast to conventional stepper motor controllers where only the motor is actuated or the position is adjusted via the encoder, sine commutation controls the stator magnetic field via the rotary encoder as in a servo motor. In this operating mode, the stepper motor acts as nothing more than a high-pole servomotor, i.e. the noises and resonances of classic stepper motors vanish. Because the current is controlled, the motor can no longer lose...
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