The Mixed Flow Roof Fan Three Phase 4 Pole 500mm (Stock Ref: RMH50034B) is designed for reliable and efficient operation in commercial ventilation systems. Its IP44-protected motor with Class ‘B’ insulation ensures long-lasting durability, while the fan is rated for continuous operation in environments up to 40˚C. Safety and reliability are reinforced with standard thermal overload protection, an IP65 service isolator, and an integrated guard. All models are fully speed controllable, providing flexible airflow management for a range of applications. Tested to BS 848 parts 1 & 2 and manufactured under BS EN ISO 9001:2015 quality standards, this fan guarantees dependable performance. Supplied with a 2‑year guarantee, it is an ideal solution for commercial projects requiring robust ventilation.