Huawei SUN2000-50KTL-ZHM3 User Manual page 47

SUN2000-(50KTL-ZHM3, 50KTL-M3)
User Manual
● 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
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● Do not connect aluminum wiring terminals to the AC terminal block. Otherwise
● Comply with the IEC61238-1 requirements when using copper-aluminum
● If copper-aluminum transition spacers are used, pay attention to the front and
Issue 05 (2023-02-28)
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.
If an aluminum alloy cable is used, use copper-aluminum transition wiring
terminals, or aluminum wiring terminals along with copper-aluminum
transition spacers.
NO TICE
the electrochemical corrosion will occur and affect the reliability of cable
connections.
transition wiring terminals, or aluminum wiring terminals along with copper-
aluminum transition spacers.
rear sides. Ensure that the aluminum sides of spacers are in contact with
aluminum wiring terminals, and copper sides of spacers are in contact with the
AC terminal block.
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5 Electrical Connections
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