Pfannenberg, Inc. has launched the ActiveCool DTS 5000 Series of enclosure cooling units. Building on a proven design, the DTS 5000 Series adds key enhancements in refrigerant technology, airflow and user interface to better protect critical electronics in densely packed control cabinets. The DTS 5000 Series uses a long internal air path that draws hot air from above heat-generating components and delivers cooled air below, helping maintain uniform enclosure temperatures. A large evaporator coil supports increased airflow for high-density electrical enclosures, while a compact, side-mount design fits most 12-inch-wide cabinets for easy panel integration. Critical components are accessible from outside the enclosure, allowing maintenance without opening an energized cabinet and thereby avoiding lockout/tagout procedures while minimizing downtime.