Helios Ventilatoren centrifugal roof fan RDD EC 315

Manufacturer: Helios Ventilatoren
Designation: Centrifugal roof fan 3-PH 400 V
Type: RDD EC 315
Mains frequency: 50 Hz
Rated voltage: 400 V
Housing material: Aluminium
Surface protection housing: Other
Integrated automatic closing flap: No
Volume flow: 3460 m³/h
Rated power: 500 W
Medium temperature: -20 to 50 °C
Protection class (IP): IP54
Nominal duct diameter: 315 mm

Further details:
Horizontal discharge EC roof fan with efficiency-optimised aluminium housing and newly developed high-performance centrifugal impeller. Housing made of seawater-resistant aluminium with integrated intrusion protection. Motor support plate and base plate with inlet nozzle made of galvanised steel. Base plate with threaded screws for attaching suction-side accessories (hole pattern to DIN 24155, sheet 3). Protective grille as standard on the outlet side in accordance with DIN EN ISO 13857. High-performance centrifugal impeller with backward curved blades made of plastic. Dynamically balanced in accordance with DIN ISO 1940-1. Energy-saving, speed-controllable EC external rotor motor in enclosed design in IP 54 with maximum efficiency. Ball bearing mounted with moisture protection insulation. Maintenance-free and interference-free. Integrated electronic temperature monitoring for EC motor and electronics. Standard with external terminal box and external inspection switch, protection class IP 65. Infinitely variable speed control with potentiometer or universal control system. EAN: 4010184073147.