Emerson 480V Manuel D’Utilisation

These specifications describe requirements for the Liebert NX UPS.

The UPS has been designed to conform to the following standards:

• IEC 61000-4-5
• ASME
• CSA 22.2, No. 107.1
• FCC Part 15, Class A
• ISO 9001
• National Electrical Code (NFPA-70)
• NEMA PE-1
• OSHA
• UL Standard 1778

The UPS system has UL and c-UL approval. 

The UPS is designed to operate under the following environmental conditions without damage or deg-

radation in electrical operating characteristics:

Operating Temperature, UPS

32°F to 104°F (0°C to 40°C)

Optimal Operating Temperature, Battery

68°F to 86°F (20°C to 30°C)

Relative Humidity

0 to 95%, non-condensing

Acoustical Noise, dBA at 39 in. (1m)

(Fans at Low Speed)

61

61

63

68.5

Altitude of Operation

≤1000m per IEC 62040/3

Storage-Transport Temperature, UPS, 

-4°F to 158°F (-20°C to 70°C)

Storage-Transport Temperature, Battery

-4°F to 86°F (-20°C to 30°C)

Width, in. (mm)

23.6 (600)

48.8 (1239)

Depth, in. (mm)

38 (965)

38.5 (979)

Height, in. (mm)

78.5 (2000)

78.5 (2000)

Heat Dissipation, BTU/H (kWH)

20,273 (5.9)

28,196 (8.3)

46,400 (13.6)

Airflow, CFM (m

3

/h)

1760 (2990)

1668 (2834)

Cable Entry

Bottom or Top

Color

Black (Z-0350)

Protection Grade (with open/closed front doors)

IP 20

Weight, lb (kg)

1180 (535)

1290 (585)

2201 (1000)