Connecting The Ac Output Power Cable - Huawei SUN2000-50KTL-ZHM3 User Manual

SUN2000-(50KTL-ZHM3, 50KTL-M3)
User Manual

5.4 Connecting the AC Output Power Cable

Precautions
An AC switch must be installed on the AC side of the SUN2000 to ensure that the
SUN2000 can be safely disconnected from the power grid.
● Do not connect loads between the inverter and the AC switch that directly
● If an AC switch is used with specifications beyond local standards, regulations,
Each inverter must be equipped with an AC output switch. Multiple inverters
cannot connect to the same AC output switch.
● If the external AC switch can perform earth leakage protection, the rated
● If multiple SUN2000s connect to the general residual current device (RCD)
● Use a socket wrench and extension rod to connect the AC power cable. The
● Sufficient slack should be provided in the PE cable to ensure that the last cable
● Do not install third-party devices in the AC connection box.
● You need to prepare M8 OT terminals by yourself.
● If the AC MBUS is used, multi-core cables are recommended, supporting a
Requirements for the OT or DT Terminal
●
●
Issue 03 (2022-08-30)
WARNING
connects to the inverter. Otherwise, the switch may trip by mistake.
or Huawei's recommendations, the switch may fail to turn off in a timely
manner in case of exceptions, causing serious faults.
CA UTION
NO TICE
leakage action current should be greater than or equal to 500 mA.
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 500 mA.
extension rod must be longer than or equal to 100 mm.
bearing the force is the PE cable when the AC output power cable bears pulling
force due to force majeure.
maximum communication distance of 1000 m. To use other types of AC power
cables, contact the Company's technical support.
If a copper cable is used, use copper wiring terminals.
If a copper-clad aluminum cable is used, use copper wiring terminals.
Copyright © Huawei Technologies Co., Ltd.
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