Huawei SUN2000-20KTL Quick Installation Guide

3
1. Do not use solid conductor hard cables.
2. 3-core outdoor cables (L1, L2, L3) are configured for the SUN2000-28KTL and 4-core outdoor
cables (L1, L2, L3, and N) are for other models.
Inverter Model
Cross-sectional Area of the Cable
(Recommended)
SUN2000-8KTL/10KTL/12KTL 4.0 mm
2
(12 AWG)
SUN2000-15KTL/17KTL/20KTL/23KTL/28KTL 6.0 mm
2
(10 AWG) / 10.0 mm
2
(8 AWG)
The table lists only the recommended cable specifications. For more information about cable
specifications, see the SUN2000 (8KTL-28KTL) User Manual.
2
Electrical Connection
OT-6mm
2
-M6
PE terminal
1. It is recommended that the ground cable be connected to a nearby ground position.
2. To enhance the corrosion resistance performance of the PE terminals, apply silica gel on them
after connecting the ground cable.
NOTE
NOTE
OT-M6
Installing a PGND Cable
2.1
OT-M6
Installing AC Output Power Cables
2.2

Huawei SUN2000-20KTL Specifications

General

Max. efficiency	98.6%
Rated AC output power	20, 000 W
Max. apparent power	22, 000 VA
No. of MPP trackers	2
Max. input voltage	1100 V
Protection degree	IP65
Max. DC Power	30, 000 W
Start Voltage	200 V
Nominal DC Voltage	600 V
Max. Input Current per MPPT	26 A
Nominal AC Grid Frequency	50 Hz / 60 Hz
Adjustable Power Factor Range	0.8 leading to 0.8 lagging
Total Harmonic Distortion (THD)	<3%
DC Reverse-Polarity Protection	Yes
AC Overcurrent Protection	Yes
AC Short-Circuit Protection	Yes
DC Insulation Resistance Detection	Yes
Residual Current Monitoring	Yes
AC Overvoltage Protection	Yes
DC Switch	Yes
Cooling Method	Natural Convection
AC output voltage	220 V / 380 V, 230 V / 400 V
MPPT operating voltage range	200 V - 1000 V
Operating temperature range	-25°C to +60°C
Relative Humidity	0% - 100%
Operating Altitude	Up to 4000 m
Surge Protection	Type II DC & AC