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5.2 AC Grid Connection: 3-Phase+PE or 3-Phase+N+PE
WARNING! Death and serious injuries may occur.
Before AC wiring, please ensure AC breaker is switched off.
5.2.1 Required Protective Devices and Cable Cross-sections
Please use proper upstream circuit breaker to protect the inverter.
Table 5-1 Recommended upstream protection
Model
Upstream circuit breaker
RPI-M8
20A
RPI-M10
20A
RPI-M12
30A
RPI-M15
30A
RPI-M15A
30A
RPI-M20
40A
RPI-M20A
40A
RPI-M30
60A
G
N L1
L3
L2
N
L1
L2
L3
PE
To solar inverter AC
plug
Please use proper wire to connect correct poles. User can refer to the following
table to select the appropriate wire.
Table 5-2 Wire size of AC input
Model
Current Rating
Wire size
Torque
Temperature
RPI-M8
40 A
5 - 8 mm
2
0.7 N
m
Meet UL 10070
RPI-M10
RPI-M12
RPI-M15
RPI-M15A
RPI-M20
RPI-M20A
RPI-M30
60 A
16 mm
2
0.9 N
m
Meet UL 10070
!
