The WSU090-1300-R is a wall plug-in power supply designed to convert a universal AC input to a regulated DC output. It accepts a wide input voltage range of 90-264VAC and delivers a 9VDC output at up to 1.3A with a line and load regulation of ±5%. This power supply meets DOE Level VI efficiency requirements, features low no-load power consumption of less than 100mW, and includes over-voltage and short-circuit protection. Certified to UL and CSA safety standards, it is a reliable and efficient power source for a wide range of electronic devices.