UPS5000-A-500 kVA
User Manual (e-shelter)
2 Overview
Issue 02 (2020-01-10)
Copyright © Huawei Technologies Co., Ltd.
32
Optional
Component
Model
Function
Reference
Document
expansion
subrack
when the UPS is
equipped with a
backfeed protection
card and dry contact
extended card.
Dry contact
expansion card
N/A
Provides monitoring
expansion ports: five
relay output ports and
five input ports.
UPS5000 Dry
Contact Extended
Card User Manual
(03021RKN)
Backfeed
protection card
N/A
Provides mains and
bypass backfeed
detection and
protection.
UPS5000 Backfeed
Protection Card User
Manual (03021KQQ)
Battery
grounding
failure detector
N/A
Detects current
leakage and generates
alarms. When
equipped with a
remote trip switch,
the detector protects
devices and prevents
fire disasters. Detects
battery grounding
failures and sends
alarm signals when
the ground leakage
current exceeds the
specified value.
UPS Battery
Grounding Failure
Detector User
Manual
If an IP21 component is installed, cables cannot be routed from the top of the cabinet.
The ECM expansion subrack does not support onsite installation. If this component is required,
inform Huawei before purchasing the UPS to receive pre-installation services.