The Rittal SK 3178800 Blue e+ S is a wall-mounted cooling unit designed for use in enclosures and industrial systems. With a cooling capacity of 0.3 kW, it ensures reliable temperature control in electronic and mechanical systems that require protection against overheating. The unit is designed for a nominal voltage of 110–240 V, 1~, 50–60 Hz, making it suitable for use in various international power grids. It features a robust enclosure made of sheet steel, which withstands mechanical stress and industrial environments. The integrated climate control ensures stable operation of installed components, especially in environments with high ambient temperatures or limited air circulation. The cooling unit is compact in size (WHD: 300 x 570 x 159 mm) and allows for easy mounting on the cabinet wall, with a required mounting cutout of 280 mm (width) and 550 mm (height). The airflow rate is 366.6 m³/h for both the external and internal circuits, ensuring efficient heat dissipation. The refrigerant used is R-513A, an environmentally friendly and energy-efficient refrigerant type typical for modern climate control systems. The unit is designed for operating temperatures from -20 °C to 60 °C, with the heat pipe operation extending up to 45 °C. The maximum operating pressure is 32 bar, highlighting the system’s safety and durability.