Installation Drawings
2.0INSTALLATION DRAWINGS
Figure 2 Two-Breaker Maintenance Bypass Cabinet, one-input, attached
Two Breaker Maintenance Bypass Cabinet
FBO | MBB |
I | MIB |
|
BFB
Critical
Load
Load Bank
(FBO)
| CB1 |
Main Input |
|
Switchgear | UPS Module |
| |
| Battery |
| System |
DC Bus | CB2 |
| |
| N |
| MBJ |
| EG |
| MIB - Maintenance Isolation Breaker |
MBD | MBB - Maintenance Bypass Breaker |
FBO – Furnished By Others | |
| N – Neutral |
| EG – Equipment Ground |
| MBJ – Main Bonding |
I - Option Interlock
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