S&P CRHB/4-250 N 250mm Roof-Mounted Fan

The S&P CRHB/4‑250 N 250 mm Roof‑Mounted Fan is a horizontal discharge centrifugal roof fan from Soler & Palau’s CRHB‑N/CRHT‑N series, ideal for commercial and industrial ventilation systems. It’s designed with a very low‑profile horizontal discharge, making it suitable for roof installations where height is restricted. The unit features a backward‑curved centrifugal impeller for efficient airflow and an external rotor AC motor with thermal protection for reliable performance. Construction includes a galvanised steel base with a spun aluminium cowl and bird‑proof guard to withstand outdoor conditions.

Material & Build Quality

• Base: Galvanised sheet steel for strength and corrosion resistance.

• Cowl: Spun aluminium weather hood for durability.

• Impeller: High‑efficiency backward‑curved centrifugal impeller (plastic for 225/250 models).

• Motor: Single‑phase external rotor AC motor with thermal overload protection, speed adjustable by voltage.

• Guard: Steel finger proof guard for safety and debris prevention.

Specifications

• Product Type: Centrifugal Roof Mounted Fan (CRHB‑N Series)

• Model: CRHB/4‑250 N

• Fan Diameter: 250 mm

• Discharge: Horizontal roof discharge

• Motor Type: Single‑phase external rotor AC motor

• Voltage: 230 V / 50–60 Hz

• Protection Rating: IP54, Insulation Class F

• Construction: Galvanised steel base with aluminium cowl and guard

• Operating Temp: Suitable for general ventilation applications (roof installation)

• Speed Control: Voltage speed control options available

• Applications: Roof ventilation for commercial buildings, industrial premises, warehouses, workshops, and ducted extraction systems