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10 Installation Guide APC BC300 Series 10kW 208/450/480V UPS
990-1378
Installation
Figure 2 - SBP Electrical Schematic 208V & 480V
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
1718
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
Notes:
1. 208V F1, F2, F3 = 35A
2. 480V F1, F2, F3 = 15A
3. 208V F4, F5, F6 = 45A
4. 480V F4, F5, F6 = 20A
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.