APsystems Microinverter DS3 series Installation manual
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4. APsystems Microinverter System Installation
4.3.8 Step 8 - Connect APsystems Microinverters to Grid
Figure 11
①
.Please install bi-polar circuit breakers with proper rated current or according to the local regulation,
which are mandatory to connect to grid.
②
.Leakage current breakers or AFCI/GFCI breakers are not recommended to install.
4.3.9 Step 9 - AC Extension Cable
Figure 12
When AC extension cable is needed, users could connect the AC bus cable and AC extension cable in a junction
box or use a pair of male/female AC connectors that APsystems provides as optional accessory.
AC Extension Cable
Bus Cable End Cap
Male/Female AC Connectors