The EXAIR NEMA 12 Cabinet Cooler® Systems ensures that electrical enclosures are kept cool with 20°F (-7°C) air while they protect against heat and dirty environments which could negatively affect internal components. This strong cabinet cooler system provides low-cost and simple to install maintenance-free solution for enclosures that are located in dirty hot remote environments. The cooling capacity stands at 275 Btu/hr and it is perfect for smaller electrical enclosures that have problematic overheating. There are models available with higher cooling capacities. The EXAIR Cabinet Cooler circulate 20°F (-7°C) air throughout the enclosure which prevents high temperature malfunctions. They are mounted through the standard electrical knockout while maintaining the NEMA 12, 4 or 4 X rating enclosure. The cabinet cooler System also comes with an automatic drain filter separator which prevents moisture from passing into the electrical enclosure. There is also an optional thermostat which controls minimizes compressed air use while keeping the enclosure at ± 2º F.