● If the external AC switch can perform earth leakage protection, the rated
leakage action current should be greater than or equal to 300 mA.
● If multiple SUN2000s connect to the general residual current device (RCD)
through their respective external AC switches, the rated leakage action current
of the general RCD should be greater than or equal to the number of
SUN2000s multiplied by 300 mA.
● A knife switch cannot be used as an AC switch.
● The hex key is delivered with the inverter and bound to the hanging kit at the
bottom of the inverter.
Figure 5-4 Hex key
Procedure
Step 1 Connect the AC output power cable to the AC connector.
Figure 5-5 Stripping requirements
● Ensure that the cable jacket is inside the connector.
● Ensure that the exposed core wire is totally inserted into the cable hole.
● Ensure that AC terminations provide rm and solid electrical connections.
Failing to do so may cause SUN2000 malfunction and damage to its AC
connectors.
● Ensure that the cable is not twisted.
SUN2000-(8KTL-20KTL)-M2
User Manual 5 Electrical Connections
Issue 11 (2023-02-07) Copyright © Huawei Technologies Co., Ltd. 45
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