SG50KTL-M-20
Sales Area
Asia Pacific
EMEA
India, Sri Lanka & Bangladesh
Sub-Saharan Africa

High Yield
• | Max. efficiency 98.9% |
• | Max. DC/AC ratio up to 1.3 |
• | Long-term overload at 1.1Pn |
• | Up to 4 MPP Trackers |

Easy O&M
• | String current monitoring function for fast trouble shooting |

Grid Support
• | Grid support including LVRT, HVRT and FRT |
• | Comply with CE, G59/3 and VDE 4105 |
Technical Data
Input (DC) | ||
Max. PV input voltage | 1000 V | |
Min. PV input voltage / Startup input voltage | 300 V / 300 V | |
Nominal input voltage | 590 V | |
MPP voltage range | 300 - 950 V | |
MPP voltage range for nominal power | 500 - 850 V | |
No. of independent MPP inputs | 4 | |
Max. number of PV strings per MPPT | 3 | |
Max. PV input current | 112 A (28 A / 28 A / 28 A / 28 A) | |
Max. current for input connector | 12 A | |
Max. DC short-circuit current | 140 A (35 A / 35 A / 35 A / 35 A) |
Output (AC) | ||
AC output power | 55000 VA @ 45 ℃ / 50000 kVA @ 50 ℃ | |
Max. AC output current | 80A | |
Nominal AC voltage | 3 / N / PE or 3 / PE , 230 / 400 V | |
AC voltage range | 310 - 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 @default value at nominal power, (adj. 0.8 leading - 0.8 lagging) | |
Feed-in phases / Connection phases | 3 / 3 |
Efficiency | ||
Max. efficiency / Euro. efficiency | 98.9 % / 98.5 % |
Protection | ||
DC reverse connection protection | Yes | |
AC short-circuit protection | Yes | |
Leakage current protection | Yes | |
Grid monitoring | Yes | |
DC switch / AC switch | Yes / No | |
DC fuse | Yes (positive, 15 A) | |
PV string current monitoring | Yes | |
Anti-PID function | Optional | |
Overvoltage protection | DC Type II / AC Type II |
General Data | ||
Dimensions (W*H*D) | 665*958*257 mm | |
Weight | 70 kg | |
Isolation method | Transformerless | |
Degree of protection | IP65 | |
Night power consumption | < 1W | |
Operating ambient temperature range | -25 to 60 ˚C (>50 ˚C derating) | |
Allowable relative humidity range (non-condensing) | 0 - 100 % | |
Cooling method | Smart forced air cooling | |
Max. operating altitude | 4000 m (> 3000 m derating) | |
Display / Communication | Graphic LCD / RS485 | |
DC connection type | MC4 | |
AC connection type | Screw clamp terminal (Max. 50 mm² ) | |
Compliance | CEA, IEC 62109, IEC 61727, IEC 62116, IEC 61683, IEC 60068, CE , VDE AR-N-4105 and G59/3 | |
Grid support | LVRT, HVRT, active & reactive power control and power ramp rate control | |
Type designation | SG50KTL-M-20 |