Power Cables - Huawei UPS2000-G Series User Manual

UPS2000-G-(6 kVA-20 kVA)
User Manual

3.1.3 Power Cables

● A circuit breaker needs to be installed in the upstream of the UPS to facilitate
● When the UPS is used in an IT power distribution system, a four-pole
● The UPS can generate large leakage currents. A circuit breaker equipped with a
● The leakage current of the 6 kVA UPS is less than or equal to 100 mA. The
● When selecting a residual current circuit breaker, consider the leakage current
● It is recommended that the length of battery cables and output cables be less
● You can install linked circuit breakers for both the N wire and L wire. No
● For the 15 kVA/20 kVA model, use AC ground cables that have a cross-sectional
● For the 15 kVA/20 kVA model, use battery ground cables that have a cross-
● For the 6 kVA model, use ground cables that have a cross-sectional area of 6
● For the 10 kVA model, use ground cables that have a cross-sectional area of 10
● Connect the 15 kVA/20 kVA UPS batteries to the UPS battery ports. One UPS
Table 3-1
Table 3-1 Recommended power cable specifications
Model Wiring
Terminal
6 kVA Dual-live-
(dual-live- wire input
wire input
Issue 21 (2022-10-13)
NO TICE
maintenance.
disconnector must be used for a three-phase system, or a two-pole
disconnector must be used for a single-phase system.
residual current device (RCD) is not recommended. If leakage protection is
required, select a recommended circuit breaker.
leakage current of the 10 kVA UPS is less than or equal to 200 mA. The leakage
current of the 15 kVA/20 kVA UPS is less than or equal to 500 mA.
of the UPS and downstream loads.
than or equal to 10 m.
independent circuit breaker is allowed for only the N wire.
2
area of 25 mm and M6 OT terminals that are 90° bent and have a cross-
sectional area of 25 mm
sectional area of 16 mm
cross-sectional area of 16 mm
2
mm and M4 OT terminals and have a cross-sectional area of 6 mm
2
mm and M6 OT terminals and have a cross-sectional area of 10 mm
battery port can have only one OT terminal installed. After connecting cables,
install the UPS battery port cover.
lists the recommended power cable specifications.
Number Rated
of Voltage
Phases
2 208 V
AC/220 V
AC
Copyright © Huawei Technologies Co., Ltd.
2
.
2
and M6 OT terminals that are 90° bent and have a
2
.
Externa
l Circuit
Breaker
50 A
(feature
D)
Cable Terminal
Cross- Type
Sectional
Area
2 2
6 mm 6 mm
M4 OT
terminal
3 Installation
2
.
2
.
Torque
for
Tighteni
ng Bolts
1.4 N m
39