Huawei SUN2000-(25KTL, 30KTL)-US User Manual page 62

SUN2000-(25KTL, 30KTL)-US
User Manual
Prerequisites
A three-phase AC switch must be installed on the AC side of each SUN2000 to ensure that the
SUN2000 can be safely disconnected from the power grid. See
select AC switches of the appropriate specifications.
Do not connect loads between the SUN2000 and the AC switch.
Context

Table 5-1 AC output power cable specifications
Conne
ction
Metho
d
Connec
tion
through
a pipe
Comm
on
connect
ion



Issue 03 (2017-04-01)
Use copper-core cables that can withstand 90° C (194° F) or 105° C (221° F). The
copper-core cable that can withstand 105° C (221° F) is recommended. To facilitate
installation, use flexible cables.
Cable Type
A single cable
Three-core,
four-core, or
five-core cable
OT terminals need to be prepared by yourself. M6 OT terminals are required.
If the neutral wire of the AC output power cable is connected, a 4 AWG cable is
recommended.
If the neutral wire of the AC output power cable is not connected, a 2 AWG cable is
recommended.
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Wire Quantity
Four (L1, L2, L3, and N) or
three (L1, L2, and L3)
NOTE
The PE cable can connect to the
chassis interior. For the detailed
connection method, see 5.3
Connecting the Ground Cable.
 If the PE cable connects
to the chassis exterior, use
a three-core (L1, L2, and
L3) cable or a four-core
(L1, L2, L3, and N) cable.
 If the PE cable connects
to the chassis interior, use
a four-core (L1, L2, L3,
and PE) cable or a
five-core (L1, L2, L3, N,
and PE) cable.
5 Electrical Connections
10 Technical Specifications
Cable Cable Outer
Specific Diameter
ations
8–2 6.3–12.1 mm
AWG (0.25–0.48 in.)
Each 24–32 mm
core: 8–2 (0.94–1.26 in.)
AWG
to
56