Sungrow SG30CX User Manual page 37

User Manual
D D e e s s i i g g n n a a t t i i o o n n
I I t t e e m m
PV string
A
B Inverter
C Grid
Monitoring device
D
E AC circuit breaker
table 5-1 Cable Requirements
N N o o . . C C a a b b l l e e
1 DC cable
Additional
2 grounding
cable
3 AC cable
Commu-
4 nication
cable
S S p p e e c c i i f f i i c c a a t t i i o o n n
T T y y p p e e
C C a a b b l l e e D D i i a a m m - -
e e t t e e r r ( ( m m m m ) )
PV cable comply-
ing with 1,500V 6 ~ 9
standard
Outdoor single-
The same as that of the PE wire in the AC
core copper wire
cable
cable
Outdoor multicore
copper or alumi- 20 ~ 50
nium cable
Shielded twisted
pair (terminal
block)
4.5 ~ 18
CAT-5 Ethernet
cable (RJ45)
5 Electrical Connection
C C r r o o s s s s - - s s e e c c t t i i o o n n a a l l A A r r e e a a
( ( m m m m 2 2 ) )
4 ~ 6
L1,L2,L3,N wire (SG30CX,
SG33CX): 16 ~ 35
L1,L2,L3,N wire
(SG40CX): 25 ~ 50
L1,L2,L3,N wire
(SG50CX): 35 ~ 70
PE wire: refer to "table 5-
2 PE Wire Requirements"
0.1 ~ 1.5
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