PARALLEL INSTALLATION
Table 2. UPS Terminal Block Wiring
Terminal
Wire Function
Position
Input
Ground
TB1‐1
L1
TB1‐3
Neutral
TB1‐4
L2
TB1‐5
Output
L1
TB1‐6
Neutral
TB1‐7
L2
TB1‐8
Ground
TB1‐9
*Use only 75°C-rated copper wire. Minimum wire size is based on 120/208 full load ratings applied to NEC Code
Table 310‐16.
18
EATON Powerware
NOTE Input neutral must be wired for proper operation. Failure to connect an input neutral
will void the warranty.
Upstream
Circuit Breaker
100A
100A
TB1
1
®
9155 Parallel UPS (8–15 kVA) User's Guide
Minimum
Tightening
Wire Size*
Torque
8 AWG
3 AWG
25 lb in
(2.83 Nm)
3 AWG
3 AWG
3 AWG
3 AWG
25 lb in
(2.83 Nm)
3 AWG
8 AWG
3
4
5
6
2
Input
Figure 10. UPS Terminal Block
S
164201592 C www.eaton.com/powerquality
Conduit Connection
(Entry Size)
2" access hole for
1‐1/2" conduit
2" access hole for
1‐1/2" conduit
7
8
9
Output