Connecting A Remote Epo Switch - Huawei UPS5000-H User Manual

UPS5000-H-(1200 kVA-1600 kVA)
User Manual (100 kVA Power Modules)
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6.12 Connecting a Remote EPO Switch

● Huawei does not provide the EPO switch or cable. Prepare them by yourself.
● Equip the EPO switch with a protective cover to prevent misoperations, and
● Triggering EPO will shut down the rectifier, inverter, charger, and static bypass,
Use a cable to connect the EPO switch to the dry contact port on the control
module of the UPS.
Issue 05 (2021-10-13)
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. (1200 kVA and
1600 kVA UPSs support this feature.)
Figure 6-415 Cable connections between the backfeed protection card and
shunt release
(1) Shunt release (provided by the
customer)
NO TICE
The recommended cable size is 0.3 mm
protect the cable with a protective tube.
but will not disconnect the UPS mains input. To power off the UPS completely,
turn off the upstream input switch when you trigger EPO.
Copyright © Huawei Technologies Co., Ltd.
(2) 6 A fuse (provided by the customer)
2
.
6 Installation
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