Mean Well OWA-90E-54 is a 90 Watt AC/DC open frame power supply with a 54V DC output. It has a wide range input of 85 to 264 VAC and a voltage rating of 47 to 63 Hz. This power supply has a built-in active PFC function, allowing for up to 0.95 power factor. It has over-voltage, over load, over temperature, and short-circuit protection. It is UL/cUL, TUV and CE certified, and is RoHS compliant. This power supply is designed to be used with LED lighting systems, security systems, medical equipment, consumer electronics and more.