The LB Fans Sabre Sickle Fan Assisted Roof Cowl (model VSR50036A) is designed for reliable and efficient ventilation in commercial settings. This three-phase, 6‑pole 500mm fan features a precision-engineered swept impeller with aerofoil blades, winglets, and a serrated trailing edge to deliver high airflow performance with reduced turbulence and noise. The die-cast aluminium impeller is dynamically balanced for smooth and dependable operation.
The unit is supplied fully assembled with a recyclable polymeric cowl, moulded to be UV-resistant for long-lasting durability in external environments. Optional coloured finishes, backdraught shutters, and birdguards are available to suit installation needs. All models are speed controllable and include built-in thermal overload protection to safeguard the motor. With an operating temperature range up to 70°C and a 2‑year guarantee, the VSR50036A provides a robust and effective roof-mounted ventilation solution for demanding commercial applications.