This is an ATEX Dust Category 3 / Zone 22 variable speed brake motor, available in an aluminium frame. The power options range from 0.25kW to 11kW.

Product Description


Category 3 – Zone 22: Explosive Dust
Centralised Variable Speed Motors

General use (U.G.), enclosed, three-phase asynchronous brake motors, with failsafe brake, according to IEC 60034, 60072, EN 50281.

Single Speed
  • Power: 0.25kW to 11kW
  • Frames: 71mm to 160mm
  • Speed: 4 poles, 230/400V or 400V Δ, 50Hz.
Brake Motor Protection

IP55 protection providing a good sealing against projected liquid and dust in an industrial environment. It has a self-certification for atmospheres containing explosive dust category 3, zone 22.

Motors for Variable Speed Operation

Fitted with thermal probes in winding (obligatory).


• Selection of brake torques
• Manual brake release
• Drip cover; 2nd shaft end
• IP65 plug in connector
• Incremental encoder 5V 1024 pts on request (dispensation).

Finish: Aluminium housing

Routine test, no load test, dielectric test, control of the resistance and direction of rotation.
Protection of the 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.

• Is suitable fo the following mains supply:

 220/380V +5% –5% at 50 Hz
 240/415V +5% –5% at 50 Hz.