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29 Liebert
®
NX
™
Table 3 Liebert NX Junction Cabinet specifications
Battery Specifications
Value
Top-Terminal
Attached Stand-Alone Attached
Nominal Battery Bus, VDC
480V
Battery Float Voltage, VDC
540V
Minimum EOD Voltage, VDC
384V (for VRLA / Flooded Lead Acid)
Battery Discharging Max current (EOD), A Table 5
Physical Parameters
Width, * in (mm) 15.5 (393) 30.9 (785) 17.5 (445)
Depth, in (mm) ** 33.5 (850) 33.5 (850) 33.5 (850)
Height, in (mm) 76.8 (1950) 76.8 (1950) 76.8 (1950)
Weight, lb (kg) approx. 255 (115) 400 (180) 255 (115)
Color Black (ZP-7021)
Degree of Protection for UPS Enclosure IP 20
Minimum clearance, Top 24" (610mm)
Minimum clearance, Back 0"
Minimum clearance, Sides 0"
Location of cable entrance Top or Bottom
Standards and Conformities
UL 1778
CSA 22.2 107.3
FCC Part 15, Class A
ISTA Procedure 1H
WEEE
Environmental
Storage Temperature Range, °F (°C) -13°F to 158°F (-25°C to 70°C)
Operating Temperature Range, °F (°C) 32°F to 104°F (0 to 40°C)
Relative Humidity
Maximum 95% Non-Condensing
(Operating and Non-Operating)
Maximum Altitude above MSL, ft (m)
4920 (1500) (as per IEC 62040/3) -
1% maximum kW derate / 328ft rise between 4900-9800ft
(100m rise between 1500-3000m)
* Width dimensions are with side panels attached. Subtract 1.4" (35mm) for dimensions without side panels.
** Depth dimensions include the front door and rear panel.
Table 4 Alber battery monitoring option specifications
Electrical Data Value
Input Voltage 220-600VAC
Input Current < 0.5A
Frequency 60Hz
Table 5 DC currents for Liebert NX modules
UPS Rating
Max Battery
Current at EOD
kVA kW
225 225 586
250 250 653
300 300 786
400 400 1048
500 500 1310
600 600 1572