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Liebert
®
NX
™
28
4.0 SPECIFICATIONS
Table 2 Liebert NX Battery Cabinet specifications
Battery Cabinet Parameters
Values
Top-Terminal Cabinet Front-Terminal Cabinet
Battery Type
VRLA (Valve Regulated Lead Acid)
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 See Table 5
Physical Parameters and Standards
Width, in. (mm)
1
56.5 (1435) 63.0 (1600)
Depth, in. (mm)
2
33.5 (850) 33.5 (850)
Height, in. (mm) 76.8 (1950) 76.8 (1950)
Weight, lb (kg) approx. Table 7
Standard Color Black (ZP-7021)
Front Door Opening (for serviceability)
More than 180°
Degree of Protection for UPS Enclosure
IP 20 (with and without front door open)
Minimum Clearance, Top 24" (610mm)
Minimum Clearance, Back 0"
Minimum Clearance, Sides 0"
Cable Entrance Top or Bottom
Standards & 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)
74°F to 80°F (23-27°C) for optimal battery life
Operating Temperature Range, °F (°C)
32°F to 104°F (0 to 40°C)
74°F to 80°F (23-27°C) for optimal battery life
Relative Humidity
up to 95% Non-Condensing
(Operating and Non-Operating)
Maximum Altitude Above MSL, ft (m)
4920 (1500) (as per IEC 62040/3) -
1% Maximum kW derate / 100m rise between 1500-3000m
1. Width dimensions are with side panels attached. Subtract 1.4" (35mm) for dimensions without side panels.
2. Depth dimensions include the front door and rear panel.