Rated operating voltage Volt/Hz 230/ 50/60 Dimensions mm (W x H x D) ,W1/H1: 323x323mm, W2/H2: 292x292mm, T1: 25mm, max. installation depth T2: 118.5mm, Air flow free blowing / m3/h 50 Hz 550, Air flow free blowing / m3/h 60 Hz 600, Air flow with filter / m3/h 50 Hz 440, Air flow with filter / m3/h 60 Hz 490, Rated current max. 50/60Hz: 0.37 A / 0.39 A Power consumption, 50/60 Hz: 70W / 87W Pre-fuse T 4A, Noise level / dB (A) 50/60 Hz: 59/61 Temperature range, operation: -30°C to +55°C, storage: -30°C to +70°C, color RAL 7035 Protection class according to EN 60 529/09.2000 IP 54 standard, IP 55 with additional fine filter mat or jet water hood, IP 56 with additional jet water hood