Battery Manufacturers And Models; Input Rectifier; Dc Intermediate Circuit; Table 11 Approved Batteries - Emerson Liebert NX 10-30kVA Installation Manual

Liebert nx series 10-30kva, 208v, 60hz
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6.4.1

Battery Manufacturers and Models

Either of two manufacturers' batteries will be installed in the NX 10-30 kVA 208V as shipped. Below
are the battery makers and the models they supply.
Table 11
Approved batteries
Battery Manufacturer
Enersys Yuasa
C&D Dynasty
6.4.2

Input Rectifier

Table 12
Rectifier input power
Rated Voltage, VAC
Supply
Input Voltage Tolerance, VAC (without derating)
Frequency, Hz
Input Frequency Tolerance %
Power Factor
Harmonic Current
1
Input Current,
Nominal, A
Output Current, Nominal, A
Notes:
1. Overload capacity of input current:
6.4.3

DC Intermediate Circuit

Table 13
DC intermediate circuit
Rated Power
Recommended number of lead-acid batteries
Recommended float charge voltage
Recommended boost charge voltage
Recommended end of discharge voltage
Maximum recharge battery current, A
Maximum boost charge duration, min.*
Boost-float threshold current, A*
Temperature voltage compensation, mV/°C*
Ripple voltage superimposed %
* Set by configuration software and based on usage of VLRA batteries.
Models Supplied
NPX-80FR
UPS12-100MR
Rated Power
NPX-100FR
NPX-150FR
UPS12-140MR
-
10kVA
15kVA
3-phase, 4-wire plus ground
≤ 0.99 at full load
≤ 0.95 at 50% load
Less than 4% at full rated UPS output load
28
42
28
42
100% Imax <I<125% Imax:
125% Imax <I<150% Imax:
I>150%:
10kVA
15kVA
Number of batteries is 24 jars (12V per jar), or 144 cells (2V per
cell) for VRLA. The unit is shipped with a nominal voltage of
288VDC.
7.5
40
UPS Specifications
20kVA
30kVA
120/208
166-239
50 / 60
±10
56
83
56
83
10 min.
1 min.
Limits input current immediately
20kVA
2.27VDC*
2.3VDC*
1.65-1.8 VDC
7.5
15
1440
0.1 C default
3
≤ 1
30kVA
15

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