UPS 30-300kVA User Manual
Installation
27
2.6 Power Cables
2.6.1
Specifications
The UPS power cablesarerecommended inTable 2-2.
Table 2-2Recommended cables for power cables
Contents
60kVA
120kVA
180kVA
300kVA
Main Input
Main InputCurrent(A)
175
350
526
877
A
70
2*70
2*120
2*185
CableSection
B
70
2*70
2*120
2*185
(mm
²
)
C
70
2*70
2*120
2*185
N
70
2*70
2*120
2*185
Main Output
Main Output Current(A)
167
333
500
834
A
70
2*70
2*120
2*185
CableSection
B
70
2*70
2*120
2*185
(mm
²
)
C
70
2*70
2*120
2*185
N
70
2*70
2*120
2*185
Bypass Input
(Optional)
Bypass Input Current(A)
167
333
500
834
A
70
2*70
2*120
2*185
CableSection
B
70
2*70
2*120
2*185
(mm
²
)
C
70
2*70
2*120
2*185
N
70
2*70
2*120
2*185
Battery Input
Battery Input current(A)
250
500
750
1250
+
2*50
2*120
2*185
2*240
CableSection
-
2*50
2*120
2*185
2*240
(mm
²
)
N
2*50
2*120
2*185
2*240
PE
CableSection
PE
70
2*70
2*120
2*185
(mm
²
)
Note
�
The recommended cable section for power cables are only for situations described below
：
�
Ambienttemperature
：
30
℃
.
�
AC loss less than 3%
，
DC loss less than 1%
，
The length of the AC power cables are no longer
than 50 m and the length of the DC power cables are no longer than 30 m.
�
Currents listed in the table are based on the 208V system (Line-to-line voltage).
�
The size of neutral lines should be 1.5~1.7 times the value listed above when the predominant
load is non-linear.
2.6.2
Specificationsfor Power Cables Terminal
Specifications for power cables connector are listed as Table 2-3.
Table 2-3Requirements for power module terminal
Type
Port
Connection
Bolt
Torque Moment
60kVA
Mains input
Cables crimped OT terminal
M6
4.9Nm
Bypass Input
Cables crimped OT terminal
M6
4.9Nm
Battery Input
Cables crimped OT terminal
M8
13Nm
Output
Cables crimped OT terminal
M6
4.9Nm
