1. Inverter Sungrow SG20KTL-M Specifications:
| Technical data | Detail |
| Dimensions (H x W x D) | 370 × 485 × 210 mm |
| Mass | 24 kg |
| Protection level | IP65 |
| Standard capacity at night | <1 W |
| Operating temperature range | -25 -> 60 ° C |
| Allowable humidity (no condensation) | 0 – 100% |
| Cooling method | Smart forced-air cooling (Smart forced-air cooling) |
| Maximum operating altitude (above sea level) | 4000 m (capacity reduced from 3000m) |
| Display | LED, Bluetooth + APP |
| Communication | RS485, Wifi, Ethernet |
| Standard | EN 62109-1, EN 62109-2, EN 61000-3-11, EN 61000-3-12, IEC61727, IEC 62116, VDE0126-1-1 / 4105, AS 4777.2, IEC 60068, IEC 61683, EN 50530, CEI 0-21, NB / T32004-2013, UNE 206007-1, G59 / 3, UTE C15-712-1 |
| Support grid | Control reactive and reactive power |
| Standard DC connection | MC4 (maximum area of 6 mm²) |
| Standard AC connection | Plug-and-play connector (maximum cross-section 16 mm²) |
| Efficiency | 98.6% |
| Input specification (DC) | Detail |
| Maximum input voltage | 1100 V |
| Minimum input voltage / Start | 200 V / 250 V |
| Input voltage level | 600 V |
| MPP voltage range | 200 – 1000 V |
| MPP voltage range for rated power | 480 – 850 V |
| Number of independent MPP inputs | 2 |
| Maximum number of strings per MPPT | 2 |
| Maximum input current | 44 A (22 A / 22 A) |
| Maximum current for input connection | 15 A |
| Maximum DC short-circuit current | 60 A (30 A / 30 A) |
| Output parameters (AC) | Detail |
| AC output power | 22000 VA @ 35 ℃ / 20000 kVA @ 45 ℃ |
| Maximum AC output current | 31.9 A |
| Rated AC voltage | 3 / N / PE, 230/400 V |
| AC voltage range | 270 – 480 V |
| Rated power grid frequency range | 50 Hz / 45 – 55 Hz, 60 Hz / 55 – 65 Hz |
| Total harmonic power | <3% (at rated capacity) |
| Power factor / Power system range | > 0.99 / 0.8 early phase -> 0.8 late phase |
| Number of electric phases | 3 |
| Protect | |
| Reverse polarity DC | Have |
| AC short circuit | Have |
| Leakage current protection | Have |
| Monitoring grid parameters | Have |
| Ground monitoring | Have |
| DC switch / AC switch | Yes / No |
| Monitor DC current for each series | Have |
| Generating reactive power at night | Have |
| PID recovery function | Option |
| Over voltage protection | DC Type II / AC Type II |
2. Inverter Sungrow SG20KTL-M connection diagram

3. 05 advantages of SG20KTL-M
| Stt | Highlights |
| first | PID recovery feature is patented |
| 2 | Low radiation, compatible with household appliance standards |
| 3 | Maximum efficiency of 98.6% |
| 4 | Plug-and-Play design, easy to install |
| 5 | Integrating surge protector and leakage current protection |




