IRB/IRT Series
IRB/4 355 230V50Hz 450/125 VE
High performance centrifugal fans.
All models suitable for mounting in any orientation.
Casing manufactured from heavy gauge galvanised sheet steel.
Direct drive backward curved impellers manufactured from aluminium sheet.
External rotor motor, Class F insulation with thermal protection.
Remote terminal box.
Motors
Motor and impeller fitted on the inspection cover enabling easy cleaning and maintenance.
- IRB models: Single-phase 230V-50Hz.
IP44* or IP54. Speed controllable by transformer.
- IRT models: Three-phase 230/400V-50Hz.
IP54. Speed controllable by transformer or frequency drive.
* IP44: 2-180, 2-200, 4-225 and 4-315 A
Attributes

Inspection door
Inspection door that facilitates maintenance.

Versatile design
Can be installed in any position.

Centrifugal backward curved impeller
To prevent accumulation of dirtiness. Dynamically balanced.

IP55 remote terminal box
To ease installation and maintenance and connection to external controls.
Acoustic characteristics
Technical characteristics
Dimensions
Curves
Mounting Accessories

Electrical Accessories
