Connecting A Remote Epo Switch - Huawei UPS5000-H-400 kVA User Manual

UPS5000-H-(400 kVA-800 kVA)
User Manual (100 kVA Power Module)
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6.7 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 02 (2021-04-22)
Figure 6-60 Cable connections between the backfeed protection card and
shunt release
(1) Shunt release (provided by the
customer)
NO TICE
The recommended cable is 22 AWG.
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 (prepared by the customer)
6 Installation
102