SG12/15/20KTL-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
550 V – 850 V | 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
22 A (11 A / 11 A)
Max. current for input connector
15 A
Max. DC short-circuit current
30 A (15 A / 15 A)

Output (AC)

Max. AC output power
13.2 kVA @ 35 ℃ / 12 kVA @ 45 ℃ | 16.5 kVA @ 35 ℃ / 15 kVA @ 45 ℃ | 22 kVA @ 35 ℃ / 20 kVA @ 45 ℃
Max. AC output current
20 A | 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
98.10 %
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
20 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
SG12KTL-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