Specifications

49
Feature MGE Galaxy
4000
40 – 75kVA
Liebert NX
40 – 120 kVA
MGE Comet
40 – 150kVA
Powerware
9390
40 – 160kVA
Usable Input
Voltage Range
(VAC)
480 VAC:
288 to 552
VAC when
connected load
is less than 80%
208 VAC:
166 to 240 VAC
208 VAC:
177 to 233
VAC
480 VAC:
408 to 538
VAC
208 VAC:
176 – 228 VAC
for all load conditions
480 VAC:
408 – 528 VAC
for all load conditions
Audible Noise 62-64 dBA 69 dBA 65 dBA <65 dBA
Handling Of
Overload
C
o
n
d
iti
o
ns
125% for 10 minutes
150% for 1 minute
130% for 1 minute
145% for 30
s
ec
on
ds
105% - 110% of rated
load for 10 minutes
>110% - 130% o
f
rated load for 1
minute
Not listed in
specifications
Fast Battery
Recharge
Triple mode
charger provides
faster battery
recharging
Standard internal
charger
Standard internal
charger
Uses a threestage
charging technique
208 VAC:
Input voltage
range for main
operations
177 – 240 VAC
71 dBA
Not listed in
specifications
Not listed in
specifications
A broader input
voltage range
results in less battery
use, fewer battery
replacements and a
lower total cost of
ownership.
Lower noise level
provides more
flexibility when
locating UPS near an
office environment.
The user can connect
a load to the NX
with
o
u
t w
or
r
yin
g
about driving the
UPS into bypass or
shutdown.
Fast recharge times
enhance system
availability.
Competitive Comparison
APC
Symmetra PX
10 – 80kVA
The Liebert
Advantage
Frequently Asked Questions
Here are some important differences:
Parallel units for added capacity as your needs grow.
Complete Power Conditioning — True online double conversion technology corrects all
types of power fluctuations.
Save On Energy Usage — The Liebert NX offers improved efficiency up to 97%, which
results in lower operating costs.
What are the advantages of the
Liebert NX with SoftScale
compared to similar capacity
UPS systems?
Question Response