133
Parameter SG15RT SG17RT SG20RT
Power factor at nominal
power / Adjustable power
factor
> 0.99 / 0.8 leading–0.8 lagging
Feed-in phases / connec-
tion phases
3 / 3
Efficiency
Max. efficiency 98.50 %
European efficiency 98.10 %
Protection & Function
Grid monitoring Yes
DC reverse connection
protection
Yes
AC short-circuit protection Yes
Leakage current protection Yes
DC switch optional
****
PID recovery function Yes
Surge protection DC Type II / AC Type II
Arc fault circuit interrupter
(AFCI)
optional
Protective Class I
Overvoltage Category
DC II/AC III
Active Anti-Islanding
Method
Frequency Shift
General Data
Dimensions (W x H x D) 370 mm x 480 mm x 195 mm
Mounting method Wall-mounting bracket
Weight 21 kg
Topology Transformerless
Degree of protection IP65
Operating ambient temper-
ature range
-25℃ to +60℃
Allowable relative humidity
range (non-condensing)
0–100 %
Max. operating altitude 4000 m (> 2000 m derating)
Cooling method Smart forced air cooling
Display LED
Communication WLAN / Ethernet / RS485 / DI / DO
DC connection type MC4 (Max. 6 mm
2
)
User Manual 10 Appendix