Goodwe ET Series User Manual page 12

2.4.3 ON-GRID AND BACK-UP CONNECTION
Install a separate AC breaker (≥ 32A) for the inverter, which is required to protect the On-
Grid input of the inverter. Recommended circuit breakers are shown below:
Note:
The absence of an AC breaker on the Back-Up output can cause the inverter to be
destroyed in the event of a short circuit.
Use single breakers
AC breaker
AC breaker
Before connecting, make sure that the inverter and cables are disconnected from the DC and AC
side [5].
NOTE:
1. The neutral wire must be blue, the phase black or brown, and the protective wire green-yellow.
2. For AC cable, PE wire must be longer than L and N wire. This is to maintain protection in the event of a cable
being pulled out.
Step 1
Prepare the cable according to the picture
Step 2
Pass the AC cable through the terminal block cover in the order shown in the picture
Note: Use only the original cover from the GoodWe brand
Screw
cap
Cables
Rubber ring
Inverter model
GW5KL/6KL-ET
GW8KL/10KL-ET
GW5K-ET
GW8K/10K-ET
AC breaker
Insulator
Battery
case
AC breaker specification
24A/400V (e.g. DZ47-60 C25)
32A/400V (e.g. DZ47-60 C32)
25A/400V (e.g. DZ47-60 C25)
32A/400V (e.g. DZ47-60 C32)
On the AC side, there should be an AC breaker
located between the inverter and the appliances.
AC breaker
Marking Description
A Outer diameter
B Length of the insulated wire
C Length of the stripped wire
D Conductor cross-section
Grid
Load
Value
13-18 mm
20-25 mm
7-9 mm
4-6 mm 2