Helios HRFW EC 630

EC axial high-performance fan. Cylindrical tube made of galvanized steel sheet, with impeller housing and flanged ends shaped on both sides. Drilling pattern according to DIN 24155. Standard connection box (protection class IP 54) on the outside of the tube. Impeller with high-performance characteristics, equipped with profiled plastic blades that are aerodynamically optimized for the application and dynamically balanced. Energy-saving, speed-controllable EC external rotor motor in protection class IP 54 with maximum efficiency. Maintenance-free and trouble-free, with excellent electromagnetic compatibility (EMC) and ball bearings. Integrated electronic temperature monitoring for the EC motor and electronics. Continuously adjustable via rotary potentiometer. Control via three-stage switch or continuously via universal control system or electronic differential pressure/temperature controller.