124
Parameter SG3.0RT SG4.0RT
Feed-in phases / connec-
tion phases
3 / 3
Efficiency
Max. efficiency 98.20 %
European efficiency 96.50 % 97.00 %
Protection & Function
Grid monitoring Yes
DC reverse connection
protection
Yes
AC short-circuit protection Yes
Leakage current
protection
Yes
DC switch Yes
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 18 kg
Topology Transformerless
Degree of protection IP65
Operating ambient tem-
perature range
-25℃ to +60℃
Allowable relative humid-
ity range (non-
condensing)
0–100 %
Max. operating altitude 4000 m (> 2000 m derating)
Cooling method Natural cooling
Display LED
Communication WLAN / Ethernet / RS485 / DI / DO
DC connection type MC4 (Max. 6 mm
2
)
AC connection type Plug and play
10 Appendix User Manual
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