The SK 3238.124 TopTherm fan-and-filter unit by Rittal operates at a rated voltage of 24 V DC with a power consumption of 5.7 W and a maximum current of 0.24 A. It measures 148.5 mm in both width and height, with an installation depth of 58.5 mm. Designed for mounting in a 124 mm by 124 mm cut-out, it offers IP54 protection with a chopped-fibre or pleated filter, and IP56 protection when combined with a hose-proof hood. This unit ensures reliable ventilation and protection in demanding environments.