APC BC300 - Manual (Page 10)

10 Installation Guide APC BC300 Series 60kW 208/480V UPS
990-1400A
Installation
Figure 2 - SBP Electrical Schematic 208V & 480V
Notes:
1. 208V F1, F2, F3 = 175A
2. 480V F1, F2, F3 = 75A
3. 208V F4, F5, F6 = 250A
4. 480V F4, F5, F6 = 110A
5. All AC power cabling is 3- or 4-wire + Ground at 208VAC / 480VAC 3-phase.
6. Installation must comply with all applicable national and local codes.
7
3 U
11
15
19 20
16
12
8
4
U
U
U
U
Maintenance
Bypass Switch
Contacts marked "U"
closed in "UPS".
Contacts marked "BP"
closed in Bypass.
Contacts are Make
before Break.
AC Output
from UPS
F1
F2
F3
N
TO CRITICAL
LOAD CENTER
AC Output
to Critical Load
L1
L2
L3
N
G
L1
L2
L3
N
GRD
1
5
13
9 10
14
6
17 18
2 BP
BP
BP
BP
BP
G G
Uninterruptible
Power Supply
L1 L1
L2 L2
L3 L3
N N G
AC Input
to UPS
L1
L2
L3
UPS Input
Disc. Switch
Shown in Open
Position
1 2
4
6 5
3
AC Line
Input
F4
F5
F6
L1
L2
L3
N
GRD