... warranty 5.Competitived price,shortest lead time Switching Power Supply(S-400W-12/24V) (ZYY Switching power supply)Specification: Packing: White ... (Refer to output derating curve), 20%~90%RHWeight1.1KgsSafety standardsUL 1950, EN60950EMC standardsEN55022, EN100-4,2,4,5,6,8,11 ...