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

UPS5000-E-(50 kVA–300 kVA)
User Manual (50 kVA Power Modules)
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3.2.11 Connecting a Remote EPO Switch

● The Company does not provide the EPO switch or cable. Prepare them by
● 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.
●
●
Figure 3-108 Cable connection for an NC EPO switch
Figure 3-109 Cable connection for an NO EPO switch
Issue 15 (2022-01-30)
NO TE
The number and colors of signal cables are for reference only.
NO TICE
yourself. The recommended cable size 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 3-108 shows the cable connections for an NC EPO switch.
Figure 3-109 shows the cable connections for an NO EPO switch.
Copyright © Huawei Technologies Co., Ltd.
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