These cabinet coolers reduce downtime while removing the heat from sealed electrical panels and enclosures using heat pipe technology. They prevent contaminants from getting into enclosures. They reduce failures and downtime, consume less energy than A/C, are easy to install and maintenance free. A variety of models are offered: below-ambient, NEMA 12, 3R, 4, 4X, stainless steel, UL/cUL Listed, RoHS compliant.