Installation
Eaton 9135 5000/6000 VA UPS User’s Guide 164201726—Rev 4 www.eaton.com/powerquality 27
Recommended Upstream Protection
The indicated protection ensures discrimination for each output circuit downstream of the UPS (see Table 3
and Figure 20).
If these recommendations are not followed, protection discrimination is not achieved and may result in a
potential power interruption to the connected devices.
Table 3. Recommended Upstream Protection
Figure 20. Recommended Upstream Protection
Required Cable Cross-Sections
Table 4 provides the required cable cross-sections.
Continue to the following section, “Connecting the Power Cables”.
Connecting the Power Cables
l
Only qualified service personnel (such as a licensed electrician) shall perform the electrical
connection. Risk of electrical shock.
l
Before carrying out any connection, check that the battery circuit breaker and UPStream
protection device (utility input) are OFF (O).
l
Use included insulated ferrules with stranded wires.
UPS Power Rating Upstream Circuit Breaker
5000 VA 30A
6000 VA
Table 4. Cable Cross-Sections
Function Wiring
Terminal block cable capacity 6 mm
2
, solid or stranded wire
(maximum 8 mm
2
or 10 AWG).
Capacity for ground/
earthing conductor
2 Poles Circuit Breaker
To Utility Source
L (L1)
N (L2)
N
(L2)
GL
(L1)
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