Fan:
- Cast aluminium casing.
- Cast aluminium impeller.
- Models 324. 325 and 426 impeller in polyamide. model 531-2T-3 impeller in sheet steel.

Motor:
- IE3 efficiency motors for powers equal to or greater than 0.75kW except single-phase. 2-speed and 8-pole.
- Class F motors with ball bearings and IP55 protection except single-phase models. with IP54 protection.
- Multi voltage motor. special design valid for 220/380V 60Hz. 254/440V 60Hz. 265/460V 60Hz. 277/480V 60Hz.
- Maximum temperature of air to be carried: -20 ºC + 120 ºC. maximum +70 ºC models with polyamide impeller.

Finish:
- Anti-corrosive finish of polyester resin polymerised at 190 ºC. previously degreased with phosphate-free nanotechnological treatment.

On request:
- Special windings for different voltages.
- Cast aluminium impellers for models 324. 325 and 426.
- Fan prepared for air transmission of up to 250 ºC.
- Category 2 ATEX certification (see CMA/ATEX series).