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Vertiv
™
| Liebert
®
EXM
™
MBC Installation Manual |
14
Figure 4
One-line diagram, dual-input Liebert EXM 10-100kVA with two-breaker Liebert MBC
MAINTENANCE BYPASS CABINET
MBB
MIB
*Bypass
AC Input
4 Wire + GND
See Note 6
AC Output
208V or 220V
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. Customer must supply shunt trips with 120V coils on
the bypass breaker and rectifier breaker.
BIB - Bypass Isolation Breaker
MBB - Maintenance Bypass Breaker
MIB - Maintenance Isolation Breaker
* External Overcurrent Protection by Others
Field-Supplied Wiring
*UPS
AC Input
4 Wire + GND
Содержание Liebert EXM MBC
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