EXPLOSION-PROOF CENTRIFUGAL ROOF MOUNTED FANS
CRHT-N ATEX Serie - Horizontal discharge

Centrifugal roof fans, specially designed for air extraction in explosive atmospheres, with horizontal discharge, IP54 rating, ultra-low profile, galvanized steel sheet base, aluminum cover, backward-curved centrifugal impeller (plastic for models 225 and 250, aluminum sheet for models 280 to 630), aluminum inlet, protected with bird proof safety grille, external rotor motor with thermal protector, suitable for operation from -20ºC to 60ºC.

The product is available in two versions: one with a terminal box and the other with a start-stop switch, both IP66 rated and included in the ATEX certification.

 

Motors

- Three-phase, 4 poles, 230/400V 50/60Hz⁽¹⁾, Class F.
- Speed adjustable via frequency converter. To maintain ATEX certification, the VFTM product from S&P must be used.

_{(1) Sizes 450 and 560 are only suitable for 50Hz.}

ATEX increased safety:
 · Motor: II 2G Ex eb IIC T3 Gb
 · Fan: II 2G Ex h IIB+H2 T3 Gb

To select ATEX models, refer to the performance curves or use the EASYVENT product selection software.