APC BC300 Series - Manual (Page 16)

16 Installation Guide APC BC300 Series 40kW 208/450/480V UPS
990-1401
Installation
Figure 9 Single Line Diagram 480V
NOTICE!
Size utility input overcurrent protection device as per applicable codes. See below table for utility
input voltage and current ratings.
Notes:
1. Must be 3- or 4-wire + Ground
2. Must be 3- or 4-wire + Ground cabling
provided by others.
3. Input overcurrent protection is based on
80% rating - any deviation, please contact
APC.
4. F1, F2, F3 = 55A
5. F4, F5, F6 = 75A
6. All AC power cabling is 3- or 4-wire +
Ground at 480VAC 3-phase.
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.
Utility Source (provided by others)
480V 3 or 4 Wire + Ground
MIB
Service
Bypass
Panel
F4, 5, 6
UIF
Q001
UIS
UPS
F1, 2, 3
UOF
Q002
UOS
Q003
BS
UPS System Output
480V 3 or 4 Wire + Ground
40kW
48A
48A
48A 69A
69A
300A
90AT
400AT