The Mixed Flow Roof Fan Single Phase 4 Pole 450mm (Stock Ref: RMH45014A) is designed for reliable performance in commercial ventilation systems. Built with an IP44-protected motor and Class ‘B’ insulation, it ensures safe and efficient operation at temperatures up to 40˚C. The fan includes standard thermal overload protection and an IP65-rated service isolator for enhanced safety and durability. A protective guard is supplied as standard, and the unit is fully speed controllable to adapt to varying airflow demands. Independently tested to BS 848 parts 1 & 2 and manufactured under BS EN ISO 9001:2015 quality standards, this roof fan provides proven reliability and long service life. Supplied with a 2‑year guarantee, it is an excellent choice for commercial ventilation applications.