| 
 Model  | 
 BS-EX 20KS  | 
 BS-EX 30KS  | 
 BS-EX 40KS  | 
| 
 Input  | 
 Supply voltage (V)  | 
 3AV/N,400V,+15%/-25% (-15% to -30% at derating)  | 
| 
 Input Phases  | 
 3 phase + N  | 
| 
 Nominal frequency  | 
 50Hz/60Hz (selectable)  | 
| 
 Frequency tolerance (%)  | 
 ±10%  | 
| 
 Power factor @ nominal input voltage  | 
 >0.95  | 
| 
 Input current distortion (%)  | 
 <8%standard, <5%option  | 
| 
 Inrush Peak current(A)  | 
 1*1nom.  | 
| 
 Battery   | 
 Battery nominal voltage  | 
 288Vdc(26Ah*24pc)  | 
 384Vdc(26Ah*32pc)  | 
 384Vdc(26Ah*32pc standard,34Ah*32pc option)  | 
| 
 Minimum final discharge voltage  | 
 252Vdc  | 
 336Vdc  | 
 336Vdc  | 
| 
 Max. charge current  | 
 5A(standard), 10A(option)  | 
| 
 Static Voltage tolerance  | 
 1%  | 
| 
 Output  | 
 Rated apparent power(KVA)  | 
 20KVA  | 
 30KVA  | 
 40KVA  | 
| 
 Rated active power(KW)  | 
 16KW  | 
 24KW  | 
 32KW  | 
| 
 Output power Factor  | 
 0.8  | 
| 
 Overload:125%load  | 
 10minutes(Ta:0~25 degree C); 5minutes(Ta:26~40degreeC)  | 
| 
 Overload:150%load  | 
 60seconds(Ta:0~25degreeC); 30seconds(Ta:26~40degreeC)  | 
| 
 Output short-circuit  | 
 300%load at 50Hz,10m sec; 150% load at 50Hz,5sec  | 
| 
 Output voltage rating  | 
 3AC/N 400V, 380V or 415V parameterizable. (Default400Vac)  | 
| 
 Output frequency  | 
 50Hz/60Hz  | 
| 
 Frequency tolerance: self-clocked: Line-clocked:  | 
 0.1% ±0.1% (adjustable to±2%, 3% or 4%)  | 
| 
 Output voltage tolerance: Static  | 
 ±1% at balanced load. ±3%, at 50% unbalanced load.±4%, at 100% unbalanced load  | 
| 
 Dynamic  | 
 ±6.5% at 100% step.  | 
| 
 Output voltage distortion       Linear full-load Non-linear full load  | 
 <2% <8%  | 
| 
 Permissible non-linear load  | 
 100%  | 
| 
 Load peak factor without derating  | 
 3  | 
| 
 UPS data  | 
 AC/AC efficiency  | 
 91%(Typical)  | 
| 
 Max. noise level@1 meter(dBA)  | 
 ≦54.6dBA  | 
 ≦56.7dBA  | 
| 
 EMC class  | 
 EN62040-2(2006), Class C2 (Class C3 for Field Trial Units)  | 
| 
 Degree of protection  | 
 IP21  | 
| 
 Dimensions: H*W*D(mm)  | 
 1400*500*822  | 
 1600*550*822  | 
| 
 Net Weight(kg) (without battery inside UPS)  | 
 113  | 
 184  | 
 187  | 
| 
 Frame color (RAL scale)  | 
 RAL scale 7016(dark gray)  | 
| 
 Cooling  | 
 Forced (Built-in fan)  | 
| 
 Equipment mobility  | 
 On casters  | 
| 
 Environmental  | 
 Operating  | 
 0~40 degree C  | 
| 
 Max. relative humidity at 20 degree.  | 
 Acc. To EN 62040-3  | 
| 
 Installation altitude:  | 
 up to 1000m above sea level.  |