Mean Well A301-1K7-F3 is a 1.2 Amp fixed regulated single output switching power supply, with features such as a built-in active PFC function, an efficiency of up to 89%, and a wide input range of 90-264 Vac. This power supply is enclosed in a UL-approved plastic case that is 1.7" x 3.2" x 0.99". It includes a range of protections such as short circuit, overload, over voltage, and over temperature, while providing a no load power consumption of less than 0.3W. A301-1K7-F3 is suitable for a wide range of lighting, industrial and electronic equipment applications.