UPS5000-S-300 kVA User Manual
(3P3W, 200 V)
3 Installation
Issue 01 (2020-03-06)
Copyright © Huawei Technologies Co., Ltd.
63
----End
3.2.2.8 Installing a Backfeed Protection Card
Prerequisites
The shunt release needs to match the circuit breaker, and the operating voltage range includes
the 53.5 V DC.
Procedure
Step 1
Remove the cover from the optional card subrack on the control module. Install a backfeed
protection card.
Figure 3-25
Backfeed protection card
Figure 3-26
Installation position
Step 2
Connect cables.