CRVB/4 Roof mounted Fan - vertical discharge

Range of centrifugal roof mounted fans in vertical discharge format:
- Very low profile design.
- Bases manufactured from galvanised sheet steel.
- Centrifugal backward curved impeller.
- External rotor motor.
- Cowl manufactured from spun aluminium.
Available, depending upon the model, with single or three phase motors in 2, 4, 6, or 8 poles.

All motors are IP54, Class F insulation with safety thermal overload protection.

Electrical supply:

Single phase 230V-50Hz (CRVB).
Three phase 400V-50Hz (CRVT).
Speed controllable by Voltage.
Models /4-560 and diameter 630 with three phase and 1 speed motors are controllable by frequency inverter.