| Product model | Apollo 17K-T0 / Apollo 20K-T0 / Apollo 22K-T0 |
| Max. efficiency | 0.986 |
| European weighted efficiency | 98.2% / 97.7% / 98.2% |
| Max. input voltage | 1000 V |
| Max. PV config | 1.5 |
| Rated input voltage | 620 V |
| Max. input current | 54 A (2 * 27 A) |
| Max. short-circuit current | 60 A (2 * 30 A) |
| Start-up input voltage | 250 V |
| MPPT operating voltage range | 180 V - 960 V |
| Max. number of MPPT strings | 4 (2 / 2) |
| Number of MPPTs | 2 |
| Rated AC active power | 17,000 W / 20,000 W / 22,000 W |
| Max. AC apparent power | 18,700 VA / 22,000 VA / 24,200 VA |
| Max. AC output current | 3 * 28.3 A / 3 * 33.5 A / 3 * 35 A |
| Rated AC voltage | 380 V / 400 V, 3W+N+PE |
| AC voltage range | 277 V - 520 V (adjustable) |
| Rated grid frequency | 50 Hz / 60 Hz |
| Surge arrester | DC Class II / AC Class II |
| Protection degree | IP65 |
| Dimensions (W*H*D) | 555 mm * 446 mm * 270 mm |
| Weight | 35 kg |
| Grid codes | VDE-AR-N 4105, EN 50549-1, CEI 0-21, UNE 206006/206007-1, UNE 217001, IEC 61727/62116 |
| Warranty | 5 years |