Chapter 2 Installation Instruction
12
HSTP3T 15/20KE-C/KEBC-C User Manual
2.6 Power Cables
2.6.1 Specifications
The UPS power cables are recommended in Table 2.2.
Table 2.2 Recommended cables for power cables
Contents
15/20kVA
Main Input
Main Input Current(A)
18/28A
Cable
Section
（
mm²
）
A
6
B
6
C
6
N
6
Main Output
Main Output Current(A)
15/23A
Cable
Section
（
mm²
）
A
6
B
6
C
6
N
6
Bypass Input
（
Optional
）
Bypass Input Current(A)
15/23A
Cable
Section
（
mm²
）
A
6
B
6
C
6
N
6
Battery Input
Battery Input current(A)
20/30A
Cable
Section
（
mm²
）
+
8
-
8
N
8
PE
Cable
Section
（
mm²
）
PE
6
Note
The recommended cable section for power cables are only for situations described below
：
Ambient temperature
：
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 Specifications for Power Cables Terminal
Specifications for power cables connector are listed as Table 2.3.
Table 2.3 Requirements for terminal
Port
Connection
Bolt
Bolt Aperture
Torque Moment
Mains input
Cables crimped
OT terminal
M6
7mm
4.9Nm
Bypass Input
Cables crimped
OT terminal
M6
7mm
4.9Nm
Battery Input
Cables crimped
OT terminal
M6
7mm
4.9Nm
Summary of Contents for HSTP3T15KE-C
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