Versions: EFR 10, EFR 12: 1 speed, EFR 10 R, EFR 12 R: 5 speeds, one of the 4 levels can be selected for base load operation. Level 5 (maximum) is controlled via an additional contact, e.g. light switch or hygrostat. The run-on time is set in the device using a potentiometer (3 - 25 minutes). Installation in ventilation ducts DN 100 and DN 125. Smallest dimensions for installation in confined spaces. Ideal for renovation. Radial impellers with backward-curved blades. Connection pieces on the suction and pressure sides, for direct installation in ventilation ducts. Protection class IP 20. Motor: Thermal overload protection as standard. Robust motor with ball bearing, maintenance-free. Installation instructions: Installation possible in any position. With mounting plate for wall and ceiling mounting. Article: EFR 10, delivery volume: 220 m3/h, speed: 2373 1/min, impeller type: radial, rated voltage: 230 V, mains frequency: 50 Hz, rated power: 52 W, PMax: 52 W, IMax: 0.23 A, protection class: IP 20, mains cable: 3 / 1.5 mm2, installation location: ceiling, installation position: vertical / horizontal, material: sheet steel, galvanized, housing material: sheet steel, galvanized, color: silver gray, weight: 4.2 kg, weight with packaging: 4.62 kg, fan can be swiveled out: yes, nominal width: 100 mm, width: 241 mm, height: 122 mm, depth: 448 mm, width with packaging: 265 mm, height with packaging: 170 mm, depth with packaging: 470 mm, conveying medium temperature at IMax: -20 °C to 50 °C, ambient temperature: 50 °C, sound pressure level: 34 dB(A) / distance 3 m, free field conditions, DC motor: false
| Property | Value |
| Diameter of the housing: | 241 mm |
| Air volume without load: | 220 m³/h |
| Material of the housing: | stainless steel |
| Protection class (IP): | IP20 |
| Connection voltage: | 230 V |
| DC motor: | no |
| Length: | 448 mm |
