0 technical specifications, 1 conformity and standards, Table 30 environmental characteristics – Liebert Emerson NX UPS System User Manual
Page 81: Echnical, Pecifications, Conformity and standards, Table 29, Compliance with european, international standards, Table 30, Environmental characteristics

Technical Specifications
73
9.0
T
ECHNICAL
S
PECIFICATIONS
9.1
Conformity and Standards
The UPS has been designed to conform to the following European and international standards:
The product standards in Table 29 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).
Table 29
Compliance with European, international standards
Description
Normative reference
General and safety requirements for UPS used in
operator access areas
EN 50091-1-1 /IEC 62040-1-1 / AS 62040-1-1
Electromagnetic compatibility (EMC) requirements for
UPS
EN 50091-2 / IEC 62040-2 / AS 62040-2 (Class A)
Method of specifying the performance and test
requirements of UPS
EN 50091-3 / IEC 62040-3 / AS 62040-3 (VFI SS 111)
Table 30
Environmental characteristics
Rated power, kVA
Unit of
Measurement
10
15
20
30
Acoustic Noise Level at 1 Meter (39 in)
dBa
51.0
51.5
51.6
56
Altitude of Operation
m (ft)
≤1000m (3280 ft) above sea level
de-rate power by 1% per 100m(328 ft) between
1000 and 2000 m (3280 and 6560 ft)
Relative Humidity
-
0 to 95% non condensing
Operating Temperature
°C (°F)
0 to 40 (32-104°)
Battery life is halved for every 10° (18°) increase
above 20° (68°)
Storage-Transport Temperature for UPS
°C (°F)
-20 to 70 (-4 to 158)
Recommended Battery Storage
Temperature
°C (°F)
-20 to 30 (-4 to 86)°F)
(20°C [68°F] for optimum battery storage)
Table 31
Overall
efficiency, heat losses and air exchange
Rated Power, kVA
Unit of
Measurement
10
15
20
30
Normal Mode (dual conversion)
%
90.4
91.2
91.3
91.9
ECO Mode
%
93.2
94.2
94.7
96.6
Inverter Efficiency (DC/AC)
(battery at nominal voltage 480VDC and full-rated linear load)
Rated Power,
kVA
10
15
20
30
Battery Mode
%
91.3
91.7
92.0
92.5
Heat Loss & Air Exchange (Ventilation)
Rated Power
kVA
10
15
20
30
Normal Mode
kW
1.6
1.8
2.2
2.6
ECO Mode
kW
1.3
1.4
1.4
1.5
No Load
kW
1.3
1.3
1.3
1.3
Maximum Forced Air Cooling (front intake, back exhaust)
L/sec (m
3
/hr)
119
(428)
239 (860)
Input and output voltage 400VAC, battery charged, full rated linear load