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28
N
No
o..
C
Ca
ab
blle
e
T
Tyyp
pe
e
S
Sp
pe
ec
ciiffiic
ca
attiio
on
n
C
Ca
ab
blle
e
D
Diia
am
me
ette
err
((m
mm
m))
C
Crro
ossss--sse
ec
cttiio
on
na
all a
arre
ea
a
((m
mm
m
2
2
))
Three-core
copper or
aluminum cable
and one
independent
single-core PE
cable
Phase cable:
38~56
L1,L2,L3 wire: 70~240
PE cable:
14~32
PE wire: refer to
Four single-core
outdoor copper or
aluminum
cables**
14~32
L1,L2,L3 wire: 70~300
PE wire: refer to
4
Commun-
ication
cable
Shielded twisted
pair
4.5~18
1~1.5
* A copper to aluminum adapter terminal is required when an aluminum cable is used.
For details, refer to
5.6.3 Aluminium Cable Requirements
.
**If case of four single-core cables, an spare AC sealing plate accessory is required. To
purchase the AC sealing plate accessory, contact SUNGROW.
Table 5-2
PE wire requirements
P
PE
E w
wiirre
e c
crro
ossss
sse
ec
cttiio
on
n
N
No
otte
e
S/2
(S: Phase wire
cross-section S)
The specifications are valid only when the phase wire and PE
wire use the same material. If otherwise, ensure that the cross
section of the PE wire produces a conductance equivalent to
that of the wire specified in the table.
User Manual
Summary of Contents for SG250HX
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