Axial fan W3G B20-IQ07-01

coolingEC motorlow-noise

EC medium pressure axial fans A new dimension in GreenTech EC technology: Not just their size makes EC medium pressure fans from ebm-papst impressive, their performance does as well. • High-efficiency GreenTech EC technology • Infinitely variable speed control • Maximum air flow • Motor, electronics, and aerodynamics form a complete package Double flange housing • Low noise emissions thanks to integrated nozzle shape on intake side and minimal air gap due to perfect roundness • Integrated nozzle shape on intake side ensures high efficiency • Robust design with hot-dip galvanized sheet steel • Safe handling during transportation and assembly • Flexible arrangement with horizontal or vertical motor shaft and installation on both intake and outlet sides • Optional: Externally accessible terminal box with brought-out connections and interfaces Motor mount • Robust design due to hot-dip galvanized welding GreenTech EC motor • Acoustically imperceptible clock frequency • Long service life thanks to maintenance-free ball bearings and brushless commutation • Optimized commutation for partial-load operation down to 1:10 with sustained high efficiency • High efficiency level due to low copper and iron losses in the stator and no magnetization losses in the rotor • Impeller fitted directly on the motor rotor for a compact design • Insulated bearing system to prevent bearing currents ensures reliable operation Electronics • Simple commissioning thanks to central terminal area for supply connection, alarm relay, open loop control and communication • Connection area physically separated from motor electronics