Before connecting, a separate AC breaker between individual inverter and AC
input power is necessary. This will ensure the inverter be securely disconnected
during maintenance and fully protected from current of AC input.
An extra AC breaker is needed for On-Grid connection to be isolated from grid
when necessary. Below are requirements for the On-Grid AC-breaker.
•
Connect DC protector or breaker first before connecting.
•
emove insulation sleeve 11mm(0.5 inch) length, unscrew the bolts, insert the
AC input wires according to polarities indicated on the terminal block and
tighten the terminal screws.
Note:
Qualified electrician will be required for the wiring.
The AC terminal contains “GRID” and “BACK-UP”, GRID for load, and BACK-UP for
emergency load.
4.3.3 AC Connec�on
Inverter Model AC breaker specification
63A/230V/400V AC breakerAF3K~12K-THP
Cable（mm²）
4-6 1.2N·m
Torque value
Model
3-12kW 8-10AWG
Wire Size
Please follow steps for AC connec�on
Step 1
Note:
Cable suggestion: Cross-section 8-10AWG.
Earth cable PE suggestion: Cross-section (Copper) 8-10AWG
10±0.5mm
Installation
18
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