SG15/20KTL-M String Inverter
Input (DC)
Max. PV input voltage
1100 V
Min. PV input voltage / Startup input voltage
200 V / 250 V
Nominal input voltage
600 V
MPP voltage range
200 – 1000 V
MPP voltage range for nominal power
380 V – 850 V | 480 V – 850 V
No. of independent MPP inputs
2
Max. number of PV strings per MPPT
1
Max. PV input current
44 A (22 A / 22 A)
Max. current for input connector
15 A
Max. DC short-circuit current
60 A (30 A / 30 A )
Output (AC)
Max. AC output power
16.5 kVA @ 35 ℃ / 15 kVA @ 45 ℃ | 22 kVA @ 35 ℃ / 20 kVA @ 45 ℃
Max. AC output current
24.0 A | 31.9 A
Nominal AC voltage
3 / N / PE, 230 / 400 V
AC voltage range
270 – 480 V
Nominal grid frequency / Grid frequency range
50 Hz / 45 – 55 Hz, 60 Hz / 55 – 65 Hz
THD
< 3 % (at nominal power)
DC current injection
< 0.5 % In
Power factor at nominal power / Adjustable power factor
> 0.99 / 0.8 leading – 0.8 lagging
Feed-in phases / Connection phases
3 / 3
Efficiency
Euro. efficiency
98.30 %
Max. efficiency
98.60 %
Protection and Function
Overvoltage protection
DC Type II / AC Type II
Grid monitoring
✔
Ground fault monitoring
✔
Insulation monitoring
✔
Anti-PID function
Optional
DC reverse connection protection
✔
AC short-circuit protection
✔
Leakage current protection
✔
AC switch
✖
DC switch
✔
PV string current monitoring
✔
Islanding Protection
✔
General Data
Dimensions (W x H x D)
370 × 210 × 485 mm
Weight
24 kg
Isolation method
Transformerless
Degree of protection
IP65
Night power consumption
< 1 W
Operating ambient temperature range
-25 °C to 60 °C (> 50 °C derating)
Allowable relative humidity range (non-condensing)
0 – 100 %
Cooling method
Natural cooling
Max. operating altitude
4000 m (>3000 m derating)
Display
LED
Communication
LED, Bluetooth + APP / RS485 (optional: Wi-Fi, Ethernet)
Compliance
IEC/EN 62109-1, IEC/EN 62109-2, IEC/EN 61000-3-11, IEC/EN 61000-3-12, UTE C15-712-1, IEC 61727, IEC 62116, VDE 0126-1-1, VDE-AR-N 4105, G59/3, CEI 0-21, UNE 206007-1, EN50438:2013
Grid Support
Active & reactive power control, power ramp rate control
Type designation
SG15KTL-M | SG20KTL-M
DC connection type
MC4 (max. 6 mm²)
AC connection type
Plug and play connector (max. 6 mm² )
* Devices for Australia are not equipped with DC switches
Standard Accessories
DC main output load switch
✖
PV specific application SPD
✖
PV SPD failure monitoring
✖
PV self power supply for internal loads
✖
Communication port
✖
Current and voltage monitoring for each string
✖
