ESR 20-3 EC, sound-insulated ventilation box ESR 20-3EC sound-insulated ventilation box, DN 200

sound-insulated ventilation box ESR 20-3EC sound-insulated ventilation box, DN 200

Low energy consumption thanks to EC technology. Low, power consumption especially in the control area. Fast, cost-effective installation through standard mounting angles. Burned housing cover with rain roof. Suitable for weather-protected outdoor position. Connectors suction and pressure side, for direct installation in ventilation lines. With 40 mm sound-insulating glass-coated mineral wool for increased demands on particularly low noise levels. Radial wheels with reverse curved shovels. Easy cleaning thanks to screwable lid. Support direction: The conveyor direction is marked on the fan housing by an arrow. Engine: DC motor. Robust engine with ball bearing, maintenance-free. Warm class F. Protection type IP 54 with a professional suction and pressure side connection and closed housing cover. Mounting instructions: installation in any location possible. Electric connection: front-side terminal box. Clamp box protection type IP 66. Safety instructions: In the case of free suction or inflation, use only if the contact protection of the wing wheel is guaranteed in accordance with DIN EN ISO 13857. For this purpose, the product: ESR 20- 3 EC, conveyor volume: 770 m3 / h, speed: 2300 1 / min, wheel type: radial, speed control: yes, measuring voltage: 230 V, net frequency: 50 Hz / 60 Hz, nominal power: 102 W, IMax: 0,9 A, protection: IP 54, heat class: F, installation location: wall / ceiling, installation position: vertical / horizontal, material: steel plate, galvanized, colour: silver, weight: 17,55 mm, width: 535 mm, diameter: 535 mm, packaging: 535 mm, size: 535 mm, size: 535 mm, size: 535 mm, size: 535 mm, size: 535 mm, size: 535 mm, size: 535 mm, size: 535 mm, size: 535 mm, size: 535 mm, size: 535 mm, size: 535 mm, size: 535 mm, size: 535 mm, size: 535 mm, width: 535 mm, size: 535 mm, width: 535 mm, width: 535 mm, width: 535 mm, width: 535 mm