
* DS8KB31 / DS10KB31 / 
  DS12KB31 / DS15KB31 / 
  DS20KB31 
DS8KB31 / DS10KB31 / DS12KB31 / DS15KB31 / DS20KB31
Online Double Conversion 3-phase input 1-phase output UPS
Features
* Online double conversion design 
* Pure sine wave output with less than 3% THD 
* Fully digitized microprocessor control 
* Power factor correction 
* Selectable UPS output voltage 
* High efficiency mode 
* Cold start function (DC power on)
Front Panel
DS8KB31 / DS10KB31 / DS12KB31 / 
DS15KB31 / DS20KB31 
Specifications
* Emergency power off function (EPO) 
* Short circuit and overload protection 
* Fax/Modem/LAN data line surge protection 
* Advanced battery management (ABM) 
* Automatic battery charging in UPS OFF mode 
* Automatic diagnostics and battery check-up 
* Extended battery pack available 
* Multilanguage LCD display 
* RS232 and USB Communication ports, 
 UPS monitoring software
Series
Standby UPS
UPS Series
Line Interactive 
Series
On Line UPS
DS20KB31
Pure
x x
x x
(optional)
windows
2000 / XP
2003 / Vista
208 / 220 / 230 / 240 V (1 , 2 wires) or 110 / 220V (1 , 3 wires, with Isolation Transformer)
690X257X715 / 860X415X945
27.2X10.1X27.6 / 33.9X16.3X36.6 
690X342X715 / 860X500X945
27.2X13.5X28.1 / 33.8X19.7X37.2
242.5/286.6
350.5 / 396.8 
159 / 180
Sine Wave
690X342X878 / 888X527X1108
27.2X13.5X34.6 / 29.9X16.3X37.4 
690X342X878 / 888X527X1108
27.2X13.5X34.6 / 29.9X16.3X37.4
418.9 / 460.8 
190 / 209
529.1 / 571 
240 / 259
775X342X905 / 945X500X1135
29.7X13.5X35.6 / 37.2X19.7X44.7 
755X342X905 / 945X500X1135
29.7X13.5X35.6 / 37.2X19.7X44.7
451.9 / 496 
205 / 225
590.8 / 634.9 
268 / 288
633.2/670.7
287.5/304.5
AVR Series
Inverter Series
Surge Series 
 Series 
Green Power
35.
Series
Networking