The WAU090-1200 from Triad Magnetics is a Level VI wall plug-in AC power supply with a 9V AC output at 1200mA, featuring a 5.5x2.1mm connector and a thermoplastic molded enclosure. It includes a 6-foot long 22 AWG output cord and is certified by UL/CUL (E341931) and UL 1310 standards. Designed for energy efficiency, it meets the minimum DOE Level VI requirements with an average efficiency of 82.38%. The power supply operates on a primary voltage of 120V, 60Hz, with a primary current of less than 4mA, and provides a secondary no-load voltage below 11.6VAC. It is suitable for power management and consumer electronics applications, with a compact size of approximately 79.6mm x 59.7mm x 48.1mm. The operating temperature range is from -10°C to +40°C, with a maximum enclosure temperature rise of 45°C at rated load.