The RS centrifugal duct fans are designed for round duct systems. The backward-curved blades achieve a high efficiency and low noise level. The motor has an isolation class F and a protection class IP33 with an electric connection box protection of IP44.
Made of steel (or plastic on request)
Intergrated thermostatic switch
Fans can be used to supply or exhaust air
Fans can be installed horizontally and vertically
Fans can be installed in flexible or rigid duct
Incl. terminal box
ERM EX fans
The ERM.EX duct fans can be used in hazardous areas (e.g. battery charge room, garage, paint store, etc.). The ERM. EX is ATEX-certified mentioned for explosive atmosphere. The maximum air temperature is 50°C. EX ventilators cannot be frequently driven and must be protected against exhausts of objects with a diameter larger than 12 mm. The ventilators are made of antistatic plastic (polyamide).