Huawei UPS5000-A-500 kVA User Manual page 40

UPS5000-A-500 kVA
User Manual (e-shelter)
Optional
Component
expansion
subrack
Dry contact
expansion card
Backfeed
protection card
Battery
grounding
failure detector


Issue 02 (2020-01-10)
Model
N/A
N/A
N/A
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.
Copyright © Huawei Technologies Co., Ltd.
Function
when the UPS is
equipped with a
backfeed protection
card and dry contact
extended card.
Provides monitoring
expansion ports: five
relay output ports and
five input ports.
Provides mains and
bypass backfeed
detection and
protection.
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.
2 Overview
Reference
Document
UPS5000 Dry
Contact Extended
Card User Manual
(03021RKN)
UPS5000 Backfeed
Protection Card User
Manual (03021KQQ)
UPS Battery
Grounding Failure
Detector User
Manual
32