Rittal TopTherm SK 3328540 Enclosure Cooling Unit 400/460V R134a. Industrial enclosure cooling unit / cabinet air conditioner. Brand: Rittal. Model: SK 3328540 (REV R01), TopTherm series. Made in Italy. S/N shown on label. Mfg date: 23.11.2022. Specs from nameplate: 400 V 50 Hz or 460 V 60 Hz, 3-phase. Refrigerant R134a, charge 950 g. Operating temperature range 10 degC to 55 degC. Internal circuit IP54, external circuit IP34. Environmental Type 12. Weight 67 kg. Hermetically sealed. Features: tall side-mount style with multiple front grilles and an integrated digital controller ( degC/ degF, set, alarm). Rear panel has labeled connections X1/X2/X3 and service fuses F11/F12. Condition: pre-owned with scuffs, dust and signs of use. Untested; functionality not verified. Sold as-is. Includes: cooling unit only as shown. No mounting hardware, gaskets, cords or manuals. Use: cooling electrical enclosures, control cabinets and automation panels.