This is an ATEX Dust Category 2 / Zone 21 brake motor, available in an aluminium frame. The power options range from 0.25kW to 15kW.

Product Description


Category 2 – Zone 21: Explosive Dust

General use (U.G.), enclosed, three-phase asynchronous brake motors, according to IEC 34, 72, EN 50281.

Single Speed
  • Power: 0.25kW to 15kW
  • Frames: 71mm to 160mm
  • Speed: 4 poles, 230/400V or 400V Δ, 50Hz.
Two Speed & Other Polarities (on request)
  • Power: 0.12kW to 9kW
  • Frames: 71mm to 160mm
  • Speed: For general use, two windings or Dahlander; 400V Î¥ or Δ, 50Hz.

IP65 standard version.

Motors for Variable Speed Operation

Fitted with thermal probes in winding (obligatory).
On consultation (to be selected).
Forced ventilation not allowed.

Finish: Aluminium casing

Assembled with protected screws.
Protection of flange and shaft end against atmospheric corrosion.
Individual anti-shock packaging.

Brake Motor Mains Supply

• Standard construction according to IEC 38:

 230/400V +10% -10% at 50Hz
 400V Δ +10% –10% at 50Hz.

• The brake mains supply is integral and the brake motor connects as a standard motor. If it is separate: the alternating (AC) supply is exterior to the motor.


• Selection of brake inertia (HA 71 to 100); manual brake release
• Drip cover; 2nd shaft end; thermal probes
• Reduced response time; connector
• Encoders and/or forced ventilation.