AC input voltage range ................... 85~264VAC (120~370VDC) Input frequency .............................. 47~63Hz Inrush current .................................. cold start, 20A/115V, 40A/230V Input leakage current ...................... <0.7mA/ 230VAC Line regulation (full load) ................. ≤±0.5% Output voltage adjust range ........... V1: ±5% of rated output voltage V2: unadjustable Output overload protection ............. 110~130% Output over voltage protection ....... 115~150% Battery Low ................................... LDH-155A:10V ±0.8V,LDH-155B:19.5V(+1.5V,-1V) Withstand voltage ........................... I/P -O/P: 3.0KVAC/1min I/P -F/G: 1.5KVAC/1min O/P-F/G: 0.5KVAC/1min Rise time ......................................... 50ms@full load (typical) Hold up time .................................... 20ms@full load (typical) Operating temp. & humidity ............ -10 ~+50 , 20%~93%RH (non condensing) Storage temp. & humidity ............... -20 ~+85 , 20%~95%RH (non condensing) Safety standards ............................ meet GB4943, UL60950, EN60950 EMC standards ............................... meet GB9254, EN55022 classB EN61000-3-2,3, EN61000-4-2,3,4,5,6,8,11Cooling method ............................... convection |