Vertiv | Liebert EXS 80kVA UPS | User Manual
26
Electrical Installation
Table 3-1 Max. Steady State AC and DC Currents
UPS power
(kVA)
Rated current (A)
Stud bolt/nut specification
Max.
input
current
1
Output/bypass current
2
at
full load
Battery discharge
current (+, -, N)
at min. battery
voltage
3
Input/battery/
output/
bypass/PE cable
Recommended
torque (N.m)
380 V
400 V
415 V
80 kVA
160
121
116
111
277
M8/M10
6.0/10±5%
1. Max. input current is calculated according to the low-voltage input of 176 V, 100% load percentage.
2. Max. output/bypass current is calculated according to the rated voltage, 100% load percentage.
3. The battery discharge current at the lowest battery voltage is calculated according to the battery cell number of 32,
and lowest EOD voltage of 1.6 V, 100% load percentage.
3.1.3.
Recommended CSA Of UPS Cable
The recommended CSA of the UPS cable is listed in
Table 3-2 Recommended CSA of the UPS Cable (unit: mm
2
, ambient temperature: 35 °C)
Model
Input
Output
Bypass
Neutral line
Earth cable
Battery
80 kVA
50
35
35
35*2
50
35*2
• If the user’s cable CSA exceeds the value recommended in
, or the harder cable installation is
difficult, please contact Vertiv service engineers.
•
The soft cable with multi-core is recommended for convenient wiring and installation.
3.1.4.
Selection of UPS I/O Switch
is the recommended UPS I/O switch capacity, and the user can select it according to actual needs.
Table 3-3 Recommended UPS I/O Switch Capacity
Model
Rectifier input switch
Bypass input switch
Output switch
Maintenance bypass
switch
80 kVA
160A (3P), isolating
switch
160A (3P), isolating
switch
250A (4P), isolating
switch
160A (3P), isolating
switch
Summary of Contents for EXS 0080kTK16FN01000
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