Figure 67 Typical Parallel System Block Diagram With Common Input Supply, With Separate Batteries; And Optional Output / Bypass Distribution Panel - Liebert NX User Manual

Figure 67 Typical parallel system block diagram with common input supply, with separate batteries and
optional output / bypass distribution panel
480V, 3W
System Input
RIB = Rectifier Input
Breaker
IOB = Inverter Output
Breaker
MBB = Maintenance
Bypass Breaker
MIB = Maintenance
Isolation Breaker
LDB = Load Distribution
Breaker
NOTE
All equipment servicing procedures must be carried out only by trained personnel.
® ™
Liebert NX
MBB
Liebert NX UPS (40-200 kVA)
Bypass
Static
Switch
AC DC
RIB 1
DC
DC
DC
480V DC
Battery Input
UPS Module 2
RIB 2
UPS Module 3
RIB 3
UPS Module 4
RIB 4
103
MIB
IOB 1
AC
IOB 2
IOB 3
IOB 4
Operating Instructions
480V, 3W
Output
LDB 1
User Supplied
Plug-In Output
Breakers
480V, 3W
Output
LDB N