Rosenberg USA Backward Curved Fan N86-45307

The N86-45307 is a backward curved EC fan from the Rosenberg B-Series, featuring a cast aluminum impeller with seven backward-curved blades and an efficiency-optimized circumferential diffuser. The impeller is statically and dynamically balanced to G6.3 standard per DIN ISO 1940, as specified for sizes up to 400. The unit includes a galvanized steel inlet cone for optimized airflow, with standard right-hand rotation when viewed from the inlet side. The fan is designed for pressure-oriented performance and sound-optimized operation. It is part of a series integrated with EC motors and suitable for air handling applications.