Preparing Power Cables - Huawei UPS2000-G-6KRTLL User Manual

UPS2000-G-6KRTLL
User Manual

3.4 Preparing Power Cables

● You are advised to install a disconnector for the UPS input.
● A 2-pole disconnector must be used if the UPS is used to power IT systems.
● The UPS can generate large leakage currents. A circuit breaker equipped with a
● The leakage current of the 6 kVA UPS is less than 100 mA.
● When selecting an earth leakage circuit breaker, consider the leakage current of
● Battery cables should not be longer than 10 m.
● For the 6 kVA model, use ground cables that have a cross-sectional area of 6
● The UPS battery input terminal has a voltage of 56 V 10 seconds before
Table 3-2 Recommended power cable specifications
Model Wiring
Termina
l
6 kVA AC input
and
output
Battery
input
Issue 01 (2020-08-06)
NO TICE
residual current device (RCD) is not recommended. If leakage protection is
required, select a recommended circuit breaker.
the UPS and downstream loads.
2 2
mm and 6 mm M4 OT terminals.
batteries are connected.
Numbe Rated
r of Voltage
Phases
1 220 V AC/230
V AC/240 V
AC
- 48 V DC
NO TE
● If customers purchase input and output power cables by themselves, use the cables that
comply with standards proposed by the Underwriters Laboratories (UL) or International
Electrotechnical Commission (IEC).
● When selecting, connecting, and routing power cables, follow local safety regulations
and rules.
Copyright © Huawei Technologies Co., Ltd.
External Cable
Circuit Cross-
Breaker section
al Area
32 A (type 2
6 mm
D)
125 A
2
25mm
(type D)
3 Installation
Terminal Torque
Type for
Tighteni
ng Bolts
2 2 N·m
OT-6 mm -
M5
terminal
OT-25 7 N·m
2
mm -M8
terminal
27