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Cable Requirements
No.
DC Input Cable
(MPPT)
1
DC Power Cable
(BATTERY)
2
PE Cable
AC Output
3
Cable (GRID)
AC Output
4
Cable (LOAD)
Communication
5
Cable
Note
[1] A copper to aluminum wiring terminal is required when using an aluminum cable.
[2] Cable length of the RS485 communication cable: ≤ 1000 m.
The values in this table are valid only if the external protective earthing conductor and the
phase conductors are the same material. Otherwise, the cross-sectional area of the external
protective earthing conductor is to be determined in a manner which produces a conductance
equivalent to that which results from the application of this table.
Type
Specification
Single-core
Copper Cable Conductor Cross Sectional Area:
Outdoor Copper-
35mm
core Cable or
Aluminum Cable Conductor Cross Sectional Area:
Aluminum Cable
50mm
Single-core
Outdoor Copper-
Conductor cross sectional area
core Cable
ETC/BTC 50K series:
• Single core cable outer diameter: 8-11 mm
• Multi-core cable outer diameter: 30-39 mm
• Copper Cable Conductor Cross Sectional Area(S):
Single-core
• Aluminum Cable Conductor Cross Sectional
or Multi-core
Outdoor Copper-
• ETC/BTC 100K series:
core Cable or
• Single core cable outer diameter: 9-11mm
Aluminum Cable
• Multi-core cable outer diameter:
• Copper Cable Conductor Cross Sectional Area(S):
• Aluminum Cable Conductor Cross Sectional
ETC/BTC 50K series:
• Single core cable outer diameter: 8-11 mm
• Multi-core cable outer diameter: 30-39 mm
• Copper Cable Conductor Cross Sectional Area(S):
Single-core
• Aluminum Cable Conductor Cross Sectional
or Multi-core
Outdoor Copper-
ETC/BTC 100K series:
core Cable or
• Single core cable outer diameter: 9-11 mm
Aluminum Cable
• Multi-core cable outer diameter: 33-39
• Copper Cable Conductor Cross Sectional Area(S):
• Aluminum Cable Conductor Cross Sectional
Outdoor Shielded
Conductor Cross Sectional Area: 0.25 mm
Twisted Pair
≤S≤70
mm
2
2
≤S≤95 mm
2
2
≤S≤70 mm
35 mm
;
2
2
≤S≤95 mm
Area: 50 mm
2
≤S≤70 mm
50 mm
;
2
2
≤S≤95 mm
Area: 70 mm
2
≤S≤70 mm
35 mm
;
2
2
≤S≤95 mm
Area: 50 mm
2
≤S≤70 mm
50 mm
;
2
2
≤S≤95 mm
Area: 70 mm
2
04
≥S/2
S
P
2
33-39mm
2
2
mm
2
- 1 mm
2
2
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