Liebert NX 30 User Manual

26 User Manual 10H52192UM60 - Rev. 1 - 09/2011
Liebert NX Battery
2.6 Reference Current and Connection of External Battery Cubicle
Table 2-1 provides recommendations for the rated current and CSA connection cable.
Table 2-1 Reference Table for Selection of Rated Current and CSA Connection Cables (Recommended)
Item Unit
UPS rating (kVA)
30 40 60
30-block
battery
Maximum battery discharge
current at full load
A 105 140 210
Reference rated current A 150 175 250
CSA connection cable mm
2
35 50 70
32-block
battery
Maximum battery discharge
current at full load
A 100 133 200
Reference rated current A 150 150 250
CSA connection cable mm
2
35 50 70
34-block
battery
Maximum battery discharge
current at full load
A 94 125 186
Reference rated current A 100 150 200
CSA connection cable mm
2
35 50 70
36-block
battery
Maximum battery discharge
current at full load
A 88 118 176
Reference rated current A 100 125 200
CSA connection cable mm
2
25 35 50
38-block
battery
Maximum battery discharge
current at full load
A 84 112 168
Reference rated current A 100 125 200
CSA connection cable mm
2
25 35 50
40-block
battery
Maximum battery discharge
current at full load
A 80 106 160
Reference rated current A 100 125 200
CSA connection cable mm
2
16 25 35


N
N

N

UPS
+
N
N
-
UPS
N
+
-
Figure 2-3 Connections Between Battery, BCB, and UPS (4 Wires at Battery Side)
UPS
N
N
N
N
UPS
Figure 2-4 Connections Between Battery, BCB, and UPS (3 Wires at Battery Side, Battery Consisting of 30 to 34 Cells)

Liebert NX 30 Specifications

General

Brand	Liebert
Model	NX 30
Category	Power Supply
Language	English