User’s Guide
THEIA S String Inverters
357100.013
, Issue
2.0
, 2010 Aug
57
13. Technical
Data
Input characteristics
2100 S
2800 S
3100 S
3800 S
Max PV power
2,300 Wp
3,200 Wp
3,450 Wp
4,200 Wp
Max DC power
2,100 W
2,800 W
3,100 W
3,800 W
Max DC voltage
480 V
780 V
780 V
780 V
PV voltage range, MPPT
206 V — 390 V
313 V — 630 V
314 V — 630 V
315 V — 630 V
Max input current
9.0 A
9.0 A
9.0 A
12.0 A
Number of string inputs
1 1 1 2
DC section switch device
optional DC disconnector, integrated in the appliance
Reverse battery protection
Yes
Output characteristics
2100 S
2800 S
3100 S
3800 S
Max AC power
1,900 W
2,600 W
2,800 W
3,600 W
Nominal AC-power rating
1,750 W
2,400 W
2,550 W
3,300 W
Max AC
8.3 A
11.3 A
12.2 A
15.7 A
Feed operation starts at
13 W
14 W
14 W
18 W
Mains voltage /
mains frequency range
230 V (-/+20%) / 47.5 Hz — 52.5 Hz
Short-circuit proof
Yes
Internal consumption at night
below 2.5 W
Interfaces
2100 S
2800 S
3100 S
3800 S
DC input
Multicontact MC3, MC4
AC output
Wieland RST 3i/5i
Inverter network
EIA485, 2xRJ45 Western Modular, additional Plug connector with terminal
screws
PC connection (service)
EIA232, SubD 9-pole socket
Potential-free contact
max 24 V AC/2A, plug connectors with terminal screws
Appliance data
2100 S
2800 S
3100 S
3800 S
Max conversion efficiency
94.7% 95.3% 95.3% 95.6%
European efficiency
93.7% 94.4% 94.4% 94.6%
Working temperature range
-20 °C — 60 °C
Max temp. for nominal load
45 °C
Max storage temperature
80 °C
Protection Rating
IP 54 according to DIN EN 60529
Dimensions
H 720 mm x W 320 mm x D 250 mm
Weight
30 kg
35 kg
35 kg
42 kg
Circuit concept
LF transformer with galvanic separation
Optical display
Full graphic LCD 170x76 pixels
Integrated datalogger
4 MB, sufficient for 30 yrs operating time
