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sp-crht-4-355-355mm-roof-mounted-fan

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S&P CRHT/4-355 355mm roof-mounted centrifugal fan with horizontal discharge, aluminium impeller, IP54 motor and durable steel base.

S&P CRHT/4-355 355mm Roof-Mounted Fan

Product Description (≈500 characters)

The S&P CRHT/4-355 355 mm Roof-Mounted Fan is a powerful centrifugal extraction fan designed for commercial and industrial roof ventilation systems. It features a horizontal discharge, low-profile design that allows efficient airflow while maintaining a compact roof installation height. The fan uses a high-efficiency backward-curved centrifugal impeller and a three-phase external rotor motor, ensuring reliable airflow performance and energy efficiency. Constructed with a galvanised steel base and spun aluminium weather cowl, the unit provides excellent durability and protection against harsh outdoor environments.

Material & Construction

• Base: Galvanised sheet steel for strong corrosion-resistant construction.

• Cowl: Spun aluminium weather hood designed for outdoor installations.

• Impeller: Backward-curved centrifugal impeller made from aluminium for high efficiency.

• Motor: External rotor three-phase motor with thermal overload protection.

• Safety Guard: Steel finger-proof guard to prevent debris entry and ensure safety.

Specifications

• Product Type: Centrifugal Roof-Mounted Ventilation Fan

• Model: CRHT/4-355

• Fan Diameter: 355 mm

• Airflow Capacity: Up to ≈2,779 m³/h

• Static Pressure: Approx. 103 Pa

• Motor Type: External rotor three-phase AC motor

• Voltage: 230/400 V – 50/60 Hz

• Speed: Approx. 1378 RPM

• Power Input: Approx. 0.27 kW

• Current: 1.3 A / 0.8 A