Vertiv Liebert EXM - Figure 8 Single UPS Block Diagram-Dual Input, Single Source Configuration with MBC

Vertiv™ | Liebert® EXM
™
50-250kVA, 480V, 60Hz User Manual | 22
Figure 8 Single UPS block diagram—dual input, single source configuration with MBC
NOTES
1. Install in accordance with national and local electrical codes.
2. Input and bypass must share the same single source.
3. Grounding conductors are recommended.
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 trip breaker with 480V coil. If an optional
Liebert MBC is not present, the shunt trip must be installed to Bypass Breaker.
BIB - Bypass Isolation Breaker
MBB - Maintenance Bypass Breaker
MIB - Maintenance Isolation Breaker
* External Overcurrent Protection
by others
Field-Supplied Wiring
Maintenance Bypass Cabinet
* Bypass
AC Input
3-Wire + GND
AC Output
480V
3-Wire + GND
* Rectifier
AC Input
3-Wire + GND
BIB
MBB
MIB
Static Bypass
UPS Cabinet
Battery
Output
Bus