Chint Power CPS SCA20KTL-DO Installation And Operation Manual page 41

INSTRUCTION:
The attached pre-insulated end ferrules match with the 10 mm
cables. If the cable of other gauge is selected, different pre-insulated
end ferrule is needed and provided by the installers.
3) The AC output (L1/L2/L3/N) cables of the PV inverter are connected to
the AC grid through the 4 pole AC breaker to make sure the inverter can be
safely disconnected from the AC grid. Please choose the AC breaker referring
to Table 3-9:
Inverter
CPS SCA20KTL-DO
CPS SCA25KTL-DO
Table 3-9 Specification of AC breaker selection
AC breaker rated current（A）
37
50
64
2