Installation
AC Line
Input
F4
L1
F5
L2
F6
L3
N
GRD
UPS Input
Disc. Switch
Shown in Open
Position
1 2
34
56
AC Input | Uninterruptible |
to UPS | Power Supply |
L1
L1 L1
L2
L2 L2
L3
L3 L3
N G N
GG
| Maintenance | ||
| Bypass Switch | ||
| Contacts marked "U" | ||
| closed in "UPS". | ||
AC Output | Contacts marked "BP" | ||
from UPS | closed in Bypass. | ||
| Contacts are Make | ||
F1 | before Break. | ||
4 |
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| U | ||
F2 |
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F3 | 12 | U | 11 |
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N |
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| 16 | U | 15 |
| 20 | U | 19 |
| 2 | BP | 1 |
| 6 | BP | 5 |
| 10 | BP | 9 |
| 14 | BP | 13 |
| 18 | BP | 17 |
TO CRITICAL
LOAD CENTER
AC Output to Critical Load
L1
L1
L2
L2
L3
L3
N
N
G
GRD
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
6.Installation must comply with all applicable national and local codes.
Figure 2 - SBP Electrical Schematic 208V & 480V
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| Relay | "UPS in Static Bypass" Ind. Light | ||
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| R | 13 | G | |
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UPS Maintenance | UPS Input | 1 | 9 | "UPS in Maintenance Bypass" Ind. Light | ||||
Disconnect | ||||||||
Bypass Switch |
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Switch |
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UPS Bypass |
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1 | BYP | 2 | 1 | 2 |
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3 | UPS | 4 | 3 | 4 |
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5 | BYP | 6 | 5 | 6 |
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7 | UPS | 8 |
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9BYP 10
11 UPS 12
13 BYP 14
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| 19 UPS 20 |
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| 1 | BYP | 2 |
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| 5 | BYP | 6 |
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| 7 | UPS | 8 |
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| 43 | 44 | 0X |
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| Solenoid Lock | ||
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| Mechanism |
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| N | (Energize to Unlock) | |
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| 440, 450, 480 |
| 440, 450, 480 | 120 VAC |
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| VAC Primary |
| VAC Primary | X | + |
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| F1A | H1 | H3 | H2 H4 | H1 | H3 | H2 H4 |
| - | 120 VDC |
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| 1A |
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| X1 |
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| 1 2 3 | 4 | 5 6 |
| 120 VAC |
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G L1 L2 L3 | G L1 L2 L3 | G L1 L2 L3 | G L1 | L2 | L3 |
| Secondary |
| Secondary |
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C | N | N |
| XFMR 1 |
| XFMR 2 |
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AC Output |
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| D | C |
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AC Output from UPS | AC Line Input | AC Input to UPS | Auxiliary Switch Circuit |
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to Critical Load |
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Notes:
1. F1, F2, F3 = 60A
2. F4, F5, F6 = 80A
3. All AC power cabling is 3 wire + Ground at 450VAC
4. Installation must comply with all applicable national and local codes.
| Figure 3 - SBP Electrical Schematic 450V | |
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10 | Installation Guide APC BC300 Series 40kW 208/450/480V UPS |
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