Vertiv
|
Liebert
®
EXM
™
BDC User Manual | Rev. 3 | 01/18 |
9
1.4.4
Accessory Fuses and Back-Feed Breaker Wiring
The back-feed breaker fuse block provides power to trip the BIB breaker. It is at the lower right of the
input/output panel on the front of the Liebert EXM UPS. See
Figure 3
for fuse block locations.
Figure 3
Accessory fuses
The back-feed breaker fuse block provides 120V and is connected to the UPS output (L-N). The fuse is rated for
8A.
Figures 4
,
5
and
6
show the back-feed breaker wiring; the connections are made to the static bypass
assembly as shown in
Table 1
.
For additional details about the FH1 fuse block refer to the Liebert EXM UPS manuals, SL-25648 and SL-25650.
The manuals ship with the UPS and are available at Liebert’s Web site
www.liebert.com
Alber BDSUi Fuse Block,
FH2 (optional for Alber
battery monitoring feature)
Back-Feed
Breaker Fuse
Block, FH1
Fuse Blocks are
on the front of the
Liebert EXM UPS.
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