KRW EC 225/40/20 – Helios – SwingOut InlineVent Centrifugal Fan For Rectangular Ducting
Radial EC duct fan with backward curved impeller blades, for direct mounting in a rectangular duct system, fan unit can be swung out.
Housing made of galvanized sheet steel with standardized channel flange profiles on both sides, space-saving design, easy to service due to the swiveling motor-impeller unit.
High-performance radial impeller with backward curved blades made of plastic and galvanized steel. Vibration-free running through dynamic balancing. Aerodynamically optimized, inflow via nozzle.
Driven by an energy-saving, speed-controllable EC external rotor motor with degree of protection IP44 with maximum efficiency. Maintenance and radio interference free, ball bearing. Integrated electronic temperature monitoring for EC motor and electronics.Infinitely variable speed control with potentiometer or infinitely variable speed control with the universal control system EUR-EC.
Connection via standard terminal box (IP54) mounted on the executed cable.