Power Cables - Huawei UPS2000-G User Manual

UPS2000-G-(6 kVA–20 kVA)
User Manual (Lead-Acid Battery)

4.1.3 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
● Cable type: copper flexible cable whose conductor supports the maximum
● 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 4-1
Issue 23 (2024-03-15)
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.
operating temperature of 90°C
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.
Copyright © Huawei Digital Power Technologies Co., Ltd.
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and M6 OT terminals that are 90° bent and have a
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4 Installation
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