APC BC300 Series - Manual (Page 10)

10 Installation Guide APC BC300 Series 40kW 208/450/480V UPS
990-1401
Installation
Figure 2 - SBP Electrical Schematic 208V & 480V
Figure 3 - SBP Electrical Schematic 450V
Notes:
1. 208V F1, F2, F3 = 120A
2. 480V F1, F2, F3 = 55A
3. 208V F4, F5, F6 = 170A
4. 480V F4, F5, F6 = 75A
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
Notes:
1. F1, F2, F3 = 60A
2. F4, F5, F6 = 80A
3. All AC power cabling is 3 wire + Ground at 450VAC 3-phase.
4. Installation must comply with all applicable national and local codes.
UPS Maintenance
Bypass Switch
UPS Bypass
1
3
5
7
9
11
13
15
17
19
1
3
5
7
2
4
6
8
10
12
14
16
18
20
2
4
6
8
BYP
UPS
BYP
BYP
BYP
BYP
UPS
UPS
UPS
UPS
UPS
BYP
BYP
BYP
1
3
5
2
4
6
UPS Input
Disconnect
Switch
On-Off
Relay
R
14 13
1 9
"UPS in Static Bypass" Ind. Light
"UPS in Maintenance Bypass" Ind. Light
R
G
Keyed Solenoid Lock Release Switch
Lock Release
0X
0X
X0
X0
13
22
31
43
14
21
32
44
Solenoid Lock
Mechanism
(Energize to Unlock) N
120 VAC
X +
- 120 VDC
5A
440, 450, 480
VAC Primary
440, 450, 480
VAC Primary
120 VAC
Secondary
XFMR 1
120 VAC
Secondary
XFMR 2
H1 H3 H2 H4 H1 H3 H2 H4
X1 X1 X2 X2
F1A
1A
1 2 3 4 5 6
C N N
D C
Auxiliary Switch Circuit
G L1 L2 L3
AC Input to UPS
F4-F5-F6 F1-F2-F3
G L1 L2 L3
AC Line Input
G L1 L2 L3 G L1 L2 L3
AC Output from UPS AC Output
to Critical Load