Huawei SUN2000-M3 User Manual

● 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
● Do not connect aluminum wiring terminals to the AC terminal block. Otherwise
the electrochemical corrosion will occur and aect the reliability of cable
connections.
● Comply with the IEC61238-1 requirements when using copper-aluminum
transition wiring terminals, or aluminum wiring terminals along with copper-
aluminum transition spacers.
● If copper-aluminum transition spacers are used, pay attention to the front and
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.
Figure 5-4 Requirements for the OT/DT terminal
Procedure
Step 1 Remove the AC terminal box and install partition boards.
SUN2000-(20KTL, 29.9KTL, 30KTL, 36KTL, 40KTL)-
M3
User Manual 5 Electrical Connections
Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd. 40

Huawei SUN2000-M3 Specifications

General

Type	String Inverter
Rated AC Grid Frequency	50 Hz / 60 Hz
DC Connection Type	MC4
Protection Degree	IP65
Cooling Method	Natural convection
Category	Inverter
Adjustable Power Factor Range	0.8 leading - 0.8 lagging
Total Harmonic Distortion (THD)	≤ 3 %
Operating Temperature Range	-25°C to 60°C
Communication	RS485
Efficiency	98%
Protection Level	DC reverse polarity protection, AC overcurrent protection, AC short-circuit protection, Overvoltage protection, Insulation monitoring, Residual current monitoring unit, Arc fault detection