UPS Specifications
Liebert
®
NX
™
39
6.4.2 DC Intermediate Circuit
See Table 8 for current ratings.
Table 11 Liebert-approved replacement batteries
Battery
Manufacturer
Models
Supplied
Enersys
12HX205FR
12HX300FR
12HX330FR
12HX400RF
12HX505FR
East Penn
45HR2000
24HR3000
27HR3500
31HR4000
31HR5000
C&D
UPS12-100MR
UPS12-150MR
UPS12-210MR
UPS12-300MR
UPS12-400MR
UPS12-490MR
UPS12-540MR
Table 12 DC intermediate circuit
Rated Power kVA
40 60 80 100 120 160 200
Recommended number
of lead-acid batteries
Total 40 battery blocks of 12VDC (240 cells of 2VDC)
will be supported by UPS
Recommended float charge voltage 2.27VDC *
Recommended boost charge voltage 2.4VDC *
Recommended end of discharge voltage 1.67 - 1.75 VDC
Maximum recharge battery current, A * 14.8 22.2 29.6 37.0 44.4 59.2 74
Maximum boost charge duration, min. * 1800
Boost-float threshold current, A * 0.1 C default
Temperature voltage compensation, mV/°C * From 0 to 5 mV/deg. C/cell. Default value is 3mV/deg. C/cell.*
Ripple voltage superimposed% ≤ 1
* Set by configuration software and based on usage of VLRA batteries.
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