Electric air heater for ventilation systems. With integrated temperature controller. With non-glowing tubular heaters made of stainless steel. Room sensor FR 30 P and duct sensor FL 30 P included in delivery. Increased fire risk with dirty tubular heaters. To prevent this, install air filter TFE. Recommended accessories: Air flow monitor LW 9 and air filter TFE... . Safety instructions: Increased fire risk with dirty tubular heaters. To prevent this, install air filter TFE. Designed in accordance with VDE, Equipment and Product Safety Act and the relevant EU directives. With 2 independently switching temperature limiters. Minimum distance to flammable materials: 150 mm (if this is not achieved, install suitable insulation). Article: DRH 35-12 R, Minimum delivery volume: 520 m3/h, Voltage type: three-phase current, Rated voltage: 400 V, Mains frequency: 50 Hz, IMax: 10 A, Protection class: IP 43, Installation: inside, Installation position: horizontal / vertical, Housing material: Sheet steel, galvanized, Weight: 8.72 kg, Weight with packaging: 9.8 kg, Nominal width: 350 mm, Width: 350 mm, Height: 431 mm, Depth: 375 mm, Width with packaging: 465 mm, Height with packaging: 545 mm, Depth with packaging: 390 mm, Air heater type: electric, Heating output: 12000 W