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Installation Drawings
7
2.0
I
NSTALLATION
D
RAWINGS
Figure 2
Two-Breaker Maintenance Bypass Cabinet, one-input, attached
Battery
System
Critical
Load
BFB
CB2
CB1
MBD
MBB
MI
B
FBO
UPS Module
Two Breaker Maintenance Bypass Cabinet
Main Input
Switchgear
Load Bank
(FBO)
N
EG
MBJ
DC Bus
I
MIB - Maintenance Isolation Breaker
MBB - Maintenance Bypass Breaker
FBO – Furnished By Others
N – Neutral
EG – Equipment Ground
MBJ – Main Bonding Jumper (3-wire systems only)
MBB - Maintenance Bypass Breaker
FBO – Furnished By Others
N – Neutral
EG – Equipment Ground
MBJ – Main Bonding Jumper (3-wire systems only)
- Option Interlock
I