The Guardian Electric A420-065494-00 is a 24 Volt DC power supply module designed for providing remote control power to equipment in wet and hazardous locations. This unit is suitable for use with garage door openers, snow melt systems, and other security or access control applications. It features short circuit, overcurrent, and overvoltage protection, along with dual fuse protection. It comes with a weather-proof, NEMA 4 (IP 66) enclosure, manual reset and test switch, and a cover plate for when not in use. This power supply module is UL/cUL listed, and is suitable for Class I, Division 2 Groups A, B, C, and D hazardous locations.