Applications Designed to provide enclosed electronic, pneumatic, hydraulic, and mechanical equipment with protection from low temperatures, condensation, and corrosion. Features • Positive Temperature Coefficient heater unit maintains a stable temperature environment within enclosures, allowing critical components to perform with consistent reliability for longer periods • Expanded voltage range of 110V to 230V • Heating body is extruded, black anodized, aluminum • Easily installed by clip mounting on 35mm DIN rails • Connection: Push-type terminals