UPS5000-E-(360 kVA-480 kVA)
User Manual (40 kVA Power Modules)
2 Overview
Issue 07 (2020-01-10)
Copyright © Huawei Technologies Co., Ltd.
39
Component Model
Function
ECM
extended
subrack
N/A
Install this subrack when the UPS is equipped
with a backfeed protection card and dry
contact extended card.
Dry contact
extended card
N/A
Provides extended monitoring ports: five
routes of relay output ports and five routes of
input ports.
Backfeed
protection
card
N/A
Detects mains and bypass backfeed and
provides protection.
Battery
monitor unit
(BMU)
N/A
Monitors battery voltages and
temperatures and battery string charge and
discharge currents.
Communicates with the UPS over
Modbus.
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
generates alarms when the ground leakage
current exceeds the specified value
Ambient
temperature
and humidity
sensor
N/A
Collects ambient temperatures and humidity.
Parallel cable
5 m, 10 m, or 15 m
Connects UPSs in parallel.
BSC cable
5 m, 10 m, 15 m, or 60 m Transmits bus synchronization signals in a
dual-bus system.
The ECM extended subrack does not support onsite installation. If you require this optional component,
inform Huawei when you purchase the UPS5000-E. Huawei will install the ECM extended subrack
before delivery.