Installation
NOTICE!
Always keep AC, DC and communication cables separated.
NOTICE!
The grounding electrode conductor (Protective Earth - PE) must be the same size (ampacity) as the UPS input circuit conductors. Conduit is not an acceptable grounding electrode conductor - see National Electrical Code Section
NOTICE!
The unit is wired from the factory as a separately derived system. Output neutral is bonded to equipment ground through main bonding jumper inside the UPS. See National Electrical Code Article
3.3.4 Single Line Diagram for BC300
Utility Source (provided by others)
208V 3 or 4 Wire + Ground
MIB 
200AT
161A
Service | F4, 5, 6 | |
Bypass | ||
UIF | ||
Panel | ||
Q001 | ||
| ||
| UIS | |
161A | 111A |
UPS
200A
250AT
111A
F1, 2, 3
UOF
Q002 | Q003 |
UOS | BS |
111A
UPS System Output
40kW
208V 3 or 4 Wire + Ground
Notes:
1.Must be 3- or
2.Must be 3 or 4 cabling provided by others.
3.Input overcurrent protection is based on 80% rating - any deviation, please contact APC.
4.F1, F2, F3 = 120A
5.F4, F5, F6 = 170A
6.All AC power cabling is 3- or
7.UPS output cables and input cables must be in separate conduits.
8.Power wiring and control wiring must be in separate conduits.
9.See installation manual for battery information.
10.Installation must comply with all applicable national and local codes.
Figure 7 Single Line Diagram 208V
14 | Installation Guide APC BC300 Series 40kW 208/450/480V UPS |