30
Preparation before Installation
5.3 Additionally Required Materials
Table 5-1 Additionally required wires
No. Required Material Type
Conductor
Cross-section
1 PV wire
Dedicated PV wire with a voltage rating
of 1000 V, a temperature resistance of
105
°C,
a fire resistance grade of VW-1
4-6 mm²
2 Communication wire Network cable CAT5E /
3 Additional PE wire Conventional yellow and green wire 4-6 mm²
Table 5-2 Grid wire and circuit breaker recommended for Grid connection
Model
5.0 kW 6.0 kW 8.0 kW
10.0 kW
5.5 kW
12 kW
8.3 kW
15 kW
Five-core wire
(copper)
4-6 mm² 4-6 mm² 4-6 mm² 5-6 mm² 5-6 mm² 5-6 mm²
Circuit breaker 20 A 20 A 32 A 40 A 40 A 40 A
* The diameter of Grid wire should be < Ø 18.
Table 5-3 EPS (off-grid) wire and circuit breaker recommended for EPS connection
Model
5.0 kW 6.0 kW 8.0 kW
10.0 kW
5.5 kW
12 kW
8.3 kW
15 kW
Four-core wire
(copper)
4-6 mm² 4-6 mm² 4-6 mm² 4-6 mm² 4-6 mm² 4-6 mm²
Circuit breaker 16 A 16 A 20 A 25 A 32 A 32 A
* The diameter of EPS (off-grid) wire should be < Ø 18.
Table 5-4 Lead-acid battery breaker Recommended
Model
5.0 kW 6.0 kW 8.0 kW
10.0 kW
5.5 kW
12 kW
8.3 kW
15 kW
Voltage
Nominal voltage of DC breaker should be larger than maximum voltage
of battery.
Current 32 A
* The parameters have some differences because of different environment and material.
Please choose appropriate wire and circuit breaker according to the local conditions.
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