Note: The use of this professional power supply requires certain precautions. It must be installed in an electrical box or cabinet in compliance with the standards in force and must not be accessible during use. Features and Benefits 30mm low profile design for 1U installation. Integrated active PFC function High efficiency up to 90% Ventilated cooling by built-in DC fan Short circuit protection. Overload protection. Over voltage and over temperature protection LED indicator UL60950-1 Ass60950-1 TUV60950-1 CB approved CCC Approval En55032 (CISPR32) Class B EN61000-3-2 -3 GB9254 class B. GB17625.1