The LB Fans LCA351436 is a long cased axial fan designed for commercial ventilation applications. It features a 350mm adjustable polypropylene impeller set at 36° and operates on a single-phase, 4‑pole motor. The motor is IP55 protected and uses Class F insulation, suitable for ambient temperatures up to 54˚C. Most models in this range support speed adjustment via a transformer or inverter. The fan comes with an IP55-rated terminal box and is suitable for relative humidity levels up to 95%. Manufactured according to BS EN ISO 9001:2015, its performance is tested to BS 848 parts 1, 2 and ISO 5801 standards. This model is supplied with a 2‑year guarantee.