String Inverter
Input Side Data
SG 20KTL
Max. PV input power
Max. PV input voltage
Startup voltage
Nominal input voltage
MPP voltage range
MPP voltage range for nominal power
No. of MPPTs
Max. number of PV strings per MPPT
Max. PV input current
Max. current for input connector
21000W (10500W/10500W)
1000V
300V
620V
280~950V
480~800V
2
3
42A(21A/21A)
12A
Output Side Data
Nominal AC output power
Max. AC output power (PF=1)
Max. AC output apparent power
Max. AC output current
Nominal AC voltage
AC voltage range
Nominal grid frequency
Grid frequency range
THD
DC current injection
Power factor
20000W
22200W
22200VA
33A
3/N/PE, 230/400Vac
310~480Vac
50Hz/60Hz
47~53Hz/57~63Hz
<3% (nominal power)
<0.5 %In
>0.99@default value at nominal power, adj.
0.8 leading ~ 0.8 lagging
Protection
Anti-islanding protection
LVRT
DC reverse connection protection
AC short circuit protection
Leakage current protection
DC switch
DC fuse
Overvoltage protection
Yes
Yes
Yes
Yes
Yes
Yes
No
Varistors
System Data
Max. efficiency
Max. European efficiency
Isolation method
Ingress protection rating
Night power consumption
Operating ambient temperature range
Allowable relative humidity range
Cooling method
Max. operating altitude
Display
Communication
DC connection type
AC connection type
Certification
98.00%
97.30%
Transformerless
IP65
<1W
-25~60℃ (>45℃ derating)
0~100%
Smart forced air cooling
4000m (＞3000m derating)
Graphic LCD
RS485 (RJ45 connector)
MC4
Plug and play connector
EN62109-1, EN62109-2, EN61000-6-2, EN61000