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KESS Power Solutions Gmbh / www.kess.at / info@kess.at
Technical specifications
KESSUPS 92RT models
1 kVa
1,5 kVa
2 kVa
3 kVa
6 kVa
frequency (with mains absent,
backup mode)
< 1 hz / sec.
Transfer time, inverter to battery
0 ms
Performance at full load, in line mode
with battery charged 100 %
> 89%
> 90%
> 91%
> 93%
Performance at full load, in Eco mode
> 95%
> 96%
> 97%
> 99%
overload in online mode
110 - 130 %, 5 min.
100 - 110 %, 10 min.
> 130 - 140 %, 30 sec.
> 110 - 130 %, 1 min.
> 140 - 150 %, 1,5 sek.
> 130 %, 1 sec.
> 150 %, 100 mS.
-
overload in battery mode
110 - 130 %, 2 min.
100 - 110 %, 30 sec.
> 130 - 140 %, 10 sec.
> 110 - 130 %, 10 sec.
> 140 - 150 %, 1,5 sec.
> 130 %, 1 Sek.
> 150 %, 100 mS.
-
crest factor
3:1
Possibility for parallel connection /
number of devices
function not available
yes / Up to 3 UPSs
(4)
Static bypass
Type
Common line with mains.
Mixed (thyristors in antipa relay)
Rated voltage
That of the mains
Rated frequency
That of the mains
Batteries
Element voltage
12 V dC
capacity
7 Ah
9 Ah
7 Ah
numbe of batteries in series /
group voltage
3 / 36 V dC
4 / 48
V dC
6 / 72
V dC
16 / 192 V dC
Blocking voltage for group ending of the
backup
31,5 V dC
42
V dC
63
V dC
168 V dC
internal battery charger
Group fast charge voltage
42,5 V dC
56,6
V dC
85
V dC
224 V dC
Group floating voltage
41,0 V dC
54,7 V
dC
81,9 V
dC
218, V dC
Maximum charge current
4 A
1A
charging time
< 3 Std. to 90%
Voltage / Temperature compensation
5 mV per battery / ºC
temperature > 30 ºC
20 mV per battery / ºC
temperature > 25 º
other functions
cold start
yes
Emergency power off
yes
frequency inverter
yes (5)
yes (6)
(4) power reduction to 90 % of the parallel devices
5) as frequency converter the supplied power will be ca. 78 % of the rated voltage
(6) as frequency converter the supplied power will be 60 % of the rated voltage