Emerson Liebert NX User Manual

Technical Specifications
72
9.0 TECHNICAL SPECIFICATIONS
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
Acoustic Noise Level at 1 Meter (39 in) dBa 51.0 51.5 51.6
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
Normal Mode (Dual Conversion) % 89.9 90.2 90.8
ECO Mode % 95.2 96.4 97.7
Inverter Efficiency (DC/AC)(battery at nominal voltage 480VDC and full-rated linear load)
Rated Power kVA 10 15 20
Battery Mode % 91.3 91.7 92.0
Rated Power kVA 10 15 20
Normal Mode (full load, battery charged) kW 1.6 1.8 2.2
ECO Mode (full load, battery charged) kW 1.3 1.4 1.4
No Load kW 1.3 1.3 1.3
Forced Air Cooling (front intake, back exhaust) L/sec (m
3
/hr) 254 (917)

Emerson Liebert NX Specifications

General

Brand	Emerson
Model	Liebert NX
Category	UPS
Language	English