44
NO. SH5/6T SH8/10/12T SH15T SH20/25T
①
63A/800V DC breaker *
②
≥25A/400V AC
breaker
≥32A/400V AC
breaker
≥40A/400V AC
breaker
≥63A/400V AC
breaker
③
Depends on loads
④
Depends on loads
⑤
Depends on household loads and inverter capacity
⑥⑦
30mA RCD (Comply with local regulation)
1. * If the battery is integrated with a readily accessible internal DC breaker, no additional
DC breaker is required.
2. The values in the table are recommended values and can be set to other values according
to actual conditions.
3. To improve the safety of the system, set the “Import Power Limit” for the inverter immedi-
ately after completing the wiring. The formula used to calculate the import power limit should
be: Set value of Import Power Limit (kW) ≤ 3*230*0.8*rated current of the house's main
switch. For instructions on parameter setting, see "8.10.16 Import Power Limit".
Backup Wiring Diagram TT System
The following diagram is an example for grid systems without special requirement on wiring
connection.
6 Electrical Connection User Manual