This new line of air conditioners offers a wider range of protective capabilities and more BTUs of cooling to protect electronic controls and equipment from potential failure caused by heat, humidity, dust and other contaminants. T Series Air Conditioners are available in six models with varying footprints and capacities—from the small 5.75x1.7x6.3-inch 800-BTU T15 for wall-mounted enclosures or enclosures with narrow side walls, to the large 52.85x20.85x13-inch 20,000-BTU T53. Each model maintains a UL/cUL Type 4 rating.