Vertiv
| Liebert
®
NXL
™
500-750kVA UPS Installation Manual |
40
Figure 27 Main components, 625/750kVA Liebert
®
NXL
™
UPS, SMS and 1+N multi-module unit with static
bypass
Option Box
(6 Slots)
Liebert
IntelliSlot
Housings
Main Input
Circuit Breaker
(CB1)
Module Output
Circuit Breaker
(CB2)
Back Feed
Circuit Breaker
(BFB)
Keylock or
EMO Button
(Optional)
Input
Ground
Input
Busbars
DC Input
Output
Busbars
Bypass
Busbars
FRONT DOORS NOT SHOWN
DOORS AND INNER SKINS
HMI Screen
CB2/IOB
Circuit Breaker
Interface Board
CB1/RIB
Circuit Breaker
Interface Board
External
Interface
Board (EIB)
Inter-Module
Communication
Board (Located
Behind HMI Screen)