Remote Epo - Huawei UPS5000-S Series User Manual

UPS5000-S-(50 kVA-300 kVA)
User Manual
Figure 3-87 Connecting signal cables
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3.2.11 Remote EPO

● Huawei does not provide the EPO switch or cable. If the cable is required, the
● Equip the EPO switch with a protective cover to prevent misoperations, and
● Triggering EPO will shut down the rectifier, inverter, charger, and static bypass,
Connect the requisite EPO switch to UPS dry contacts.
●
●
Issue 11 (2020-12-07)
NO TE
The number and colors of signal cables are for reference only.
NO TICE
recommended cable is 22 AWG.
cover the cable with protective tubing.
but does not disconnect the UPS mains input. To power off the UPS completely,
open the front-end input switch when triggering EPO.
Figure 3-88 shows the cable connections for an NC EPO switch.
Figure 3-89 shows the cable connections for an NO EPO switch.
Copyright © Huawei Technologies Co., Ltd.
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