High Speed Frameless Motors with Outer Rotor


SVTM 38BR Series
SVTM 38BR Series


In many applications it is useful if the rotating part is the external part as this allows easier integration into the mechanics of the customer.

In this inside-out configuration, the magnets are located on the outer rotor, while the winding is on the inside stator.

The frameless manufacture of the motor means that it integrates optimally, providing the most compact system possible. Furthermore, it is possible to reach high speed and high power with light weight.

High speed: 15000 rpm
Shock & Vibration Resistant

Technical Spec



  • Rated voltage: 28 Vdc
  • Stall torque: 0.11 Nm
  • Stall current: 6.2 Arms
  • Peak torque: 0.212 Nm
  • Peak current: 13 Arms
  • BEMF: 1.4 Vrms / K rpm 
  • Phase-phase resistance: 0.16 Ω
  • Inductance: 0.091 mH
  • Rated speed: 15000 rpm
  • No-load speed: 20000 rpm
  • Weight: 190 g

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Alessandro Gomarasca
Alessandro Gomarasca
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