... ISO9001 3, Good matetrial 4,1 year warranty 5.Competitived price,shortest lead time Switching Power Supply(S ... voltage protection9.4-10.9V 13.8~16.2V15.5~18.2V18~21V27.6~32.4V33.7~39.2V ... 1KgsSafety standardsUL 1950, EN60950EMC standardsEN55022, EN100-4,2,4,5,6,8,11, IEC100-3-2Note: 1. The ... include the setting error, line stability and load stability.(Note:5) 3. Wave test: adopting "A12" double wire for ...