The LB Fans Power-Line 520 Twin Fan (model TDF52034) is engineered for efficient and reliable commercial ventilation. This three-phase, 4‑pole direct drive unit features twin fans with run and standby operation to ensure continuous airflow. Its backward curved centrifugal impellors provide durable and efficient performance, achieving airflow volumes up to 2.72m³/s and static pressure development up to 500Pa.
Designed for operating temperatures up to 40°C, the fan is fully speed controllable to accommodate varying system demands. Manufactured in compliance with BS EN ISO 9001 quality standards and with performance verified according to BS 848 Part 1, the Power-Line 520 offers a dependable, high-performance solution for commercial ventilation applications, complete with an IP44 protection rating.