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Vertiv
™
| Liebert
®
EXM
™
MBC Installation Manual |
17
Figure 7
One-line diagram, dual input Liebert EXM 10-200kVA with four-breaker Liebert MBC
Figure 8
Bend radius—Neutral and ground wires through bottom feed, 10-40kVA system
MAINTENANCE BYPASS CABINET
MIB
RIB
BIB
MBB
*Bypass
AC Input
4 Wire + GND
*Rectifier
AC Input
4 Wire + GND
AC Output
208V
4 Wire + GND
Static Bypass
UPS CABINET
BATTERY
Output
Busbar
NOTES:
1. Install in accordance with national and local electrical codes.
2. Input and bypass must share the same single source.
3. A neutral is required from the system AC input source.
Vertiv recommends a full capacity neutral conductor
and grounding conductors.
4. Bypass and rectifier inputs and output cables must be
run in separate conduits.
5. Control wiring must be run in separate conduits.
6. Internal battery breaker is optional on UPS with internal batteries;
battery breaker is factory-supplied with external Liebert battery cabinets.
RIB - Rectifier Input Breaker
BIB - Bypass Isolation Breaker
MBB - Maintenance Bypass Breaker
MIB - Maintenance Isolation Breaker
* External Overcurrent Protection by Others
Field-Supplied Wiring
EXM11014
Rev. 2
When attaching neutral and ground wires
from the bottom feed, connection must
be made to the top of the neutral and
ground busbar for required bend radius.
Neutral Busbar
Ground Busbar
Содержание Liebert EXM MBC
Страница 1: ...Liebert EXM MBC User Manual 10 200kVA 208 120V and 220 127V 60Hz...
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Страница 51: ...Vertiv Liebert EXM MBC Installation Manual 45 NOTES...
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