2 Fans, 44W, 330m3/h, IP 20
PWD-4W and PWD-2W fan units are intended for assembly to 380 x 380 mm openings which are located in the top plates of SZB, OTS1, SZB SE nad DC cabinets. The PD-2W fan unit can be assembled to the 380 x 210 mm opening in the top plate of SZB SE and DC cabinets.
In the standard version, the units are equipped with 2 or 4 fans, an illuminated switch and a fuse.