The GSM40B48-P1J is a 48V DC 0.83A (40W) switch mode regulated power supply from Mean Well. It is approved for UL, CSA, TUV and CE safety standards, making it a safe and reliable choice for many applications. The unit features a universal input range of 90-264VAC, meets EN61000-3-2 harmonic current regulations and has a full range of protection features, including over voltage, over current, and short circuit protection. It also has a built-in active PFC function, energy-saving level of >0.99, efficiency level up to 85%, and an average working life of 25,000 hrs. It is enclosed in a plastic case making it an easy to install and maintain power supply.