20 kVA Easy UPS 3S
Selection table for 20 kVA Easy UPS 3S uninterruptible
power supplies. Outlines sizing options for the Easy UPS 3S 20 kVA
UPS, including load levels, runtime targets, and corresponding battery
string quantities. The table supports accurate configuration of UPS
and battery cabinet combinations for required backup autonomy. Additional
information can be found on the Easy UPS 3S product range and the Easy UPS 3S Accessories range.
Easy UPS 3S 20 kVA Uninterruptible Power Supply Selection
![]() E3SUPS20KFBS Easy UPS 3S |
![]() Easy UPS 3S 20 kVA With Door Open |
![]() E3SXR7 Battery Cabinet |
![]() E3SFBTH2 Battery String |
Selection Table for 20 kVA UPS
|
Part Number |
Measurement |
% Load |
Battery Strings E3SFBTH2 |
||
|---|---|---|---|---|---|
|
50% |
75% |
100% |
|||
| E3SUPS20KFBS + (#) of battery strings needed E3SFBTH2 | KW | 10 | 15 | 20 | — |
| kVA | 10 | 15 | 20 | — | |
| Runtime (Minutes) | — | 1 | |||
| 10.5 | 5.8 | — | 2 | ||
| 18.5 | 10.5 | 6.9 | 3 | ||
| E3SUPS20KFBS + 1 of E3SXR7 + (#) of battery strings needed E3SFBTH2 | KW | 10 | 15 | 20 | — |
| kVA | 10 | 15 | 20 | — | |
| Runtime (Minutes) | 27 | 15.5 | 10.5 | 4 | |
| 36 | 21 | 14 | 5 | ||
| 45 | 26.5 | 18 | 6 | ||
| 54.5 | 32.5 | 22.5 | 7 | ||
| 64.5 | 38.5 | 26.5 | 8 | ||
| 74.5 | 44.5 | 31 | 9 | ||
| 84.5 | 51 | 35.5 | 10 | ||
| 95 | 57.5 | 40 | 11 | ||
| 105 | 63.5 | 44.5 | 12 | ||
| 115 | 70.5 | 49 | 13 | ||
| 125 | 77 | 53.5 | 14 | ||
| 135 | 83.5 | 58.5 | 15 | ||
| E3SUPS20KFBS + 2 of E3SXR7 + (#) of battery strings needed E3SFBTH2 | KW | 10 | 15 | 20 | — |
| kVA | 10 | 15 | 20 | — | |
| Runtime (Minutes) | 145 | 90.5 | 63.5 | 16 | |
| 160 | 97.5 | 68.5 | 17 | ||
| 170 | 100 | 73 | 18 | ||
| 180 | 110 | 78 | 19 | ||
| 195 | 115 | 83.5 | 20 | ||
| 205 | 125 | 88.5 | 21 | ||
| 215 | 130 | 93.5 | 22 | ||
| 230 | 140 | 98.5 | 23 | ||
| 240 | 145 | 100 | 24 | ||
| 255 | 155 | 105 | 25 | ||
| 265 | 160 | 110 | 26 | ||
| 280 | 170 | 120 | 27 | ||



