Liebert NX UPS; 250-800kVA; 380/400/415V
Detailed Specification
Conformity And Standards
The UPS has been designed to conform to the European and international standards listed in Table 11-1.
Table 1-1
European and international standards
Item
Normative reference
General safety requirements for UPS
EN62040-1/IEC62040-1/AS62040-1
EMC requirements for UPS
EN62040-2/IEC62040-2/AS62040-2 (Class C3)
Method of specifying the performance and test requirements of UPS
EN62040-3/IEC62040-3/AS62040-3 (VFI SS 111)
Note: The product standards in this table incorporate relevant compliance clauses with generic IEC and EN standards for safety
(IEC/EN/AS60950), electromagnetic emission and immunity (IEC/EN/AS61000 series) and construction (IEC/EN/AS60146 series
and 60529)
Environmental Characteristics
Table 1-2
Item
Noise within 1m (in the front)
Unit
Environmental characteristics
Rated power (kVA)
250
300 E
dB
Altitude
u
300
400
500
74
600 E
600
79
800
76
≤ 1000
Relative humidity
%RH
0 ~ 95, non condensing with corresponding temperature less than 40°C
Operating temperature
°C
0 ~ 40 (Note: Battery life is halved for every 10°C increase above 20°C)
Storage and transport
temperature for UPS
°C
- 40 ~ + 70
Over-voltage level
Over-voltage level 2
Pollution level
Pollution level 2
Mechanical Characteristics
Table 1-3
Item
Dimensions
(W × D × H)
Unit
Mechanical characteristics
Rated power (kVA)
250
300 E
300
400
500
600 E
600
800
Packing
excluded
mm
1200 × 900 × 1900
2400 × 900 × 1900
Packing
included
mm
1316 × 1046 × 2134
1316 × 1046 ×
2145*
Net weight
800
8
850
850
9
1050
1050
1850
1950
Gross weight
950
950
1000
1050
1
1
1200
200
2
2100
Color
Black ZP7021
Protection degree, IEC
(60529)
IP20 (front door open or closed)
Note*: The 600kVA ~ 800kVA UPS system is 2400mm wide, packed in two wooded boxes 1316mm wide each
Electrical Characteristics (Input Rectifier)
Table 1-4
Item
Rated power (kVA)
Unit
1
Rectifier AC input (mains)
250
300 E
300
400
500
600 E
600
800
Rated AC input voltage
Vac
380/400/415, 3-phase 4-wire (+ PE) TN power distribution system
Input voltage range2
Vac
228 ~ 478
Frequency 2
Hz
50/60 (tolerance: 40 ~ 70)
Power factor
kW/kVA, full load
(half load)
0.99 (0.98)
Input current
A, rated3
Harmonic current
distortion
THDI% FL
3
Duration of progressive
power walk-in
s
10s to reach full rated current (selectable 5s through 30s in 5-second intervals)
345
368
368
4
549
6
916
1220
Note:
1.. Rec fiers operate at any of the rated supply voltages and frequencies without further adjustment.
2.. At 324V nput mains the UPS maintains the specified output voltage at rated load without discharging a previously charged
battery.
3.. IEC620 -3/EN50091-3: at rated load and input voltage 400V, battery fully charged
Electrical Characteristics (Intermediate DC Circuit)
Table 1-5
Item
Battery
Rated power (kVA)
Unit
250
300 E
300
400
500
600 E
Rated battery bus voltage
Vdc
Quantity of lead-acid
cells (nominal)
pcs
cs
Float voltage
V/cell (VRLA)
2.25 (selectable from 2.2V/cell to 2.3V/cell)
Constant current and constant voltage charge mode
Temperature
compensation
mV/°C/cl
–3.0 (selectable from 0 to – 5.0 around 25°C or 30°C, or inhibit)
Ripple current
% C10
≤5
V/cell (VRLA)
2.35 (selectable from 2.3 to 2.35)
Constant current and constant voltage charge mode
Boost voltage
600
800
480
(12Vdc)
Float-boost current trigger 0.050C10 (selectable from 0.001 to 0.070)
Boost-float current trigger 0.010C10 (selectable from 0.001 to 0.025)
24hr safety time timeout (selectable from 8hr to 30hr)
Boost mode inhibit also selectable
Boost control
EOD voltage
V/cell (VRLA)
1.67
Battery charge
V/cell
2.35 (selectable from 2.3 to 2.35)
Constant current and constant voltage charge mode
Programmable automatic trigger or inhibit of boost mode
Electrical Characteristics (Inverter Output)
Table 1-6
Item
Unit
PF value
Inverter output (to critical load)
Rated power (kVA)
250
0.9
300 E
0
300
400
500
1
0.9
0
600 E
600
800
1
0.9
Rated AC voltage1
Vac
380/400/415 (3-phase 4-wire, with neutral reference to the bypass neutral)
Frequency2
Hz
50/60
Overload
%
105, long time; 125, 10min; 150, 30ms
Non-linear load
capability3
%
10
Item
Unit
Rated power (kVA)
250
300 E
300
400
Steady state voltage
stability
%
±1
Transient voltage
response4
%
±5
Total harmonic voltage
%
< 2 (linear load), < 5 (non-linear load3)
Synchronisation window
Hz
Rated frequency ±5
Slew rate (max. change
rate of synchronisation
frequency)
Hz/s
500
600 E
600
800
1; setting range: 0.1 ~ 3 (single unit), 0.6 (parallel system)
Note:
1.. Fact y set to 380V. 400V or 415V selectable by commissioning engineer.
2.. Fact y set to 50Hz. 60Hz selectable by commissioning engineer.
3.. EN 500 -3 (1.4.58) crest factor 3:1, non-linear load 100kVA plus remaining resistive compound load.
4.. IEC 620 -3/EN 50091-3 also for 0% ~ 100% ~ 0% load transient. Transient recovery time: return to within 5% of steady state
output voltage within half a cycle
Electrical Characteristics (Bypass Input)
Table 1-7
Item
Rated AC voltage1
380V
400V
415V
Rated
current
Unit
Vac
Bypass input
Rated power (kVA)
250
300 E
400
500
600 E
600
800
380/400/415, 3-phase 4-wire, sharing neutral with the rectifier input and
providing neutral reference to the output
A
379
379
4
455
6
910
910
9
1212
A
363
363
4
4
435
35
5
870
870
8
1160
348
4
417
417
5
834
8
1112
A
Overload
%
1000%, 100ms
Frequency2
Hz
50/60
Bypass voltage tolerance
300
%Vac
Upper limit: + 10, + 15 or + 20, default: + 15
Lower limit: - 10, - 20, - 30 or - 40, default: - 20
(delay time to accept steady bypass voltage: 10s)
Bypass frequency
tolerance
%
± 10 or ± 20, default: ± 10
Synchronisation window
Hz
Rated frequency: ± 5
Note:
1.. Fact y set to 380V. 400V or 415V selectable by commissioning engineer.
2.. Fact y set to 50Hz. 60Hz selectable by commissioning engineer
Loss
Table 1-8
Item
Rated normal mode
Unit
kW
Loss
Rated power (kVA)
250
300 E
300
400
500
600 E
600
800
12.4
13.2
15
18
22.5
24
27
36