115
Parameter
SG15RT
SG17RT
SG20RT
Min. PV input voltage /
Start-up input voltage
180 V / 180 V
Nominal input voltage
600 V
MPP voltage range
160 V–1000 V
No. of independent MPP
inputs
2
No. number of PV strings
per MPPT
2 / 2
Max. PV input current
50 A (25 A / 25 A)
Max. DC short-circuit
current
72 A (36 A / 36 A)
for "AU"
64 A (32 A / 32 A)
for others
64 A (32 A / 32 A)
72 A (36 A / 36
A) for "AU"
64 A (32 A / 32
A) for others
Output (AC)
Nominal AC power (@ 230
V, 50 Hz)
15000 W
17000 W
20000 W
Max. AC output power
15000 VA for "AU",
"BE", "DE", 16500
VA for others
17000 VA for
"AU", "BE", "DE",
18700 VA for
others
20000 VA for
"AU", "BE", "DE",
22000 VA for
others
Rated AC output apparent
power
15000 VA for "AU",
"BE", "DE", 16500
VA for others
17000 VA for
"AU", "BE", "DE",
18700 VA for
others
20000 VA for
"AU", "BE", "DE",
22000 VA for
others
Max. AC output current
22.7 A for "AU",
25 A for others
25.8 A for "AU",
28.3 A for others
30.3 A for "AU",
31.9 A for others
Nominal AC voltage
3 / N / PE, 220 V / 380 V
3 / N / PE, 230 V / 400 V
3 / N / PE, 240 V / 415 V
AC voltage range
180 V–276 V / 311 V–478 V
Nominal grid frequency /
Grid frequency range
50 Hz / (45 Hz–55 Hz)
60 Hz / (55 Hz–65 Hz)
Harmonic (THD)
< 3 % (at nominal power)
Power factor at nominal
power / Adjustable power
factor
> 0.99 / 0.8 leading–0.8 lagging
Feed-in phases / connec-
tion phases
3 / 3
User Manual
