Huawei UPS5000-H User Manual page 152

UPS5000-H-(400 kVA-800 kVA)
User Manual (100 kVA Power Modules)
●
Issue 03 (2021-08-03)
Figure 6-107 Cable connections between the backfeed protection card and
shunt release (800 kVA)
(1) Mains input circuit
breaker (provided by the
customer)
NO TICE
– The backfeed protection card and fuse terminal block apply to cables with
a cross-sectional area of 0.5–1.3 mm
requirements of the backfeed protection card, fuse terminal block, and
shunt release.
– The cable length can be customized based on the site survey result, or an
appropriate cable can be purchased and installed by the customer.
– Bind the cables separately from signal cables.
If a third-party reliable power supply is used, use the power signal with a
voltage of 240 V AC or less and a current of less than 6 A. (400–800 kVA UPSs
support this feature.)
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(2) Shunt release (provided
by the customer)
2
. The actual cable size must meet the
6 Installation
(3) Bypass input circuit
breaker (provided by the
customer)
144