Huawei SUN2000-40KTL-M3 User Manual

8 Maintenance
D ANGER
● Wear personal protective equipment and use dedicated insulated tools to avoid
electric shocks or short circuits.
WARNING
● Before performing maintenance, power o the equipment, follow the
instructions on the delayed discharge label, and wait for a period of time as
specied to ensure that the equipment is not energized.
8.1 System Power-O
Precautions
WARNING
After the system is powered o, the inverter is still energized and hot, which may
cause electric shocks or burns. Therefore, wait for at least 5 minutes after system
power-o and put on protective gloves before working on the inverter.
Procedure
Step 1 Send a shutdown command on the app.
Step 2 Turn o the AC switch between the inverter and the power grid.
Step 3 Set the DC SWITCH at the bottom of the inverter to OFF.
Step 4 (Optional) Install the DC switch locking screw.
SUN2000-(20KTL, 29.9KTL, 30KTL, 36KTL, 40KTL)-
M3
User Manual 8 Maintenance
Issue 18 (2024-03-10) Copyright © Huawei Technologies Co., Ltd. 80

Huawei SUN2000-40KTL-M3 Specifications

General

Max. Efficiency	98.7%
European Efficiency	98.4%
Max. Input Voltage	1100 V
MPPT Operating Voltage Range	200 V - 1000 V
Max. Input Current per MPPT	26 A
Number of MPPTs	4
Rated Output Power	40000 W
Rated AC Voltage	400 V
Rated AC Frequency	50 Hz / 60 Hz
Adjustable Power Factor Range	0.8 leading - 0.8 lagging
Total Harmonic Distortion (THD)	<3%
DC Reverse-Polarity Protection	Yes
AC Overcurrent Protection	Yes
DC Surge Protection	Type II
AC Surge Protection	Type II
Insulation Monitoring	Yes
Residual Current Monitoring	Yes
DC Switch	Yes
Protection Class	IP66
Operating Temperature Range	-25°C to +60°C
Relative Humidity (Operating)	0% - 100%
Cooling	Natural Convection
Max. Apparent AC Power	44000 VA
AC Voltage Range	320 V - 480 V
Operating Altitude	4000 m
Display	LED Indicators
Communication	RS485, WLAN
Weight	43 kg
Max. DC Power	60000 W