● If the external AC switch provides the leakage protection function, the rated
leakage tripping current must be greater than or equal to 100 mA.
● If multiple inverters are connected to the master leakage protection device
through their AC switches, the rated leakage tripping current of the device
must be greater than or equal to the number of inverters x 100 mA.
● The AC switch cannot be a knife switch.
Procedure
Step 1 Connect the AC output power cable to the AC connector.
● The PE point at the AC output port is used only as a PE equipotential point, and
cannot substitute for the PE point on the enclosure.
● Keep the AC output power cable and the PE cable close to each other.
● Keep the AC output power cable and the DC input power cable close to each
other.
● Ensure that the cable jacket is inside the connector.
● Ensure that the exposed core is totally inserted into the cable hole.
● Ensure that AC output cable is secured. Failing to do so may cause SUN2000
malfunction or damage to its AC connector.
● Ensure that the cable is not twisted.
Strip the insulation layers of the AC output power cable by the recommended
length (15–19 mm) to ensure that the cable conductors are completely inside the
conductor insertion points and no insulation layer is pressed into the conductor
insertion points. Tighten the cable conductors to a torque of 2.8–3.2 N·m.
Otherwise, the device may fail to run properly or be damaged during operation.
SUN2000-(8K, 10K)-LC0 Series
User Manual 5 Electrical Connections
Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd. 45
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