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INSTALLATION
EATON
Powerware
®
9135 Two−in−One UPS (5000/6000 VA) User’s Guide
S
164201726 Rev 1
www.powerware.com
38
UPS Electrical Connections
W
A
R
N
I
N
G
Only qualified service personnel (such as a licensed electrician) shall perform the electrical
installation. Risk of electrical shock.
C
A
U
T
I
O
N
S
For UPS models with hardwired outputs, overcurrent protection for the output AC
circuit(s) is to be provided by others.
S
For UPS models with hardwired outputs, suitably rated disconnect switches for the
output AC circuit(s) are to be provided by others.
Recommended Upstream Protection
The indicated protection ensures discrimination for each output circuit
downstream of the UPS.
If these recommendations are not followed, protection discrimination is
not achieved and may result in a potential power interruption to the
connected devices.
UPS Power Rating
Upstream Circuit Breaker
EU Models
U Models
5000 VA
D curve − 32A
D curve − 35A
6000 VA
2 Poles Circuit Breaker
To Utility Source
L (L1)
N (L2)
N
(L2)
G
L
(L1)
Figure 20. Recommended Upstream Protection