| Technical Data | AF1K-SL-1 | AF2K-SL-1 | AF3K-SL-1 | AF3K-SL | AF4K-SL | AF5K-SL | AF6K-SL |
| PV Input |
| Max. Input Power (kW) | 1.5 | 3.0 | 4.5 | 4.5 | 6.0 | 7.5 | 9.0 |
| Max. PV Voltage (V) | 550 |
| MPPT Range (V) | 80 – 500 |
| Full MPPT Range (V) | 80 – 500 | 120 – 500 | 170 – 500 | 90 – 500 | 120 – 500 | 150 – 500 | 170 – 500 |
| Normal Voltage (V) | 360 |
| Startup Voltage (V) | 100 |
| Max. Input Current (A) | 18.5 x 1 | 18.5 x 2 |
| Max. Short Current (A) | 26 x 1 | 26 x 2 |
| No. of MPP Tracker / No. of PV String | 1 / 1 | 2/2 |
| Battery Port |
| Max. Charge/Discharge Power (kW) | 1.0 | 2 | 3.0 | 3.0 | 4 | 4.8 | 4.8 |
| Max. Charge/Discharge Current (A) | 25 | 50 | 80 |
| Battery Normal Voltage (V) | 51.2 |
| Battery Voltage Range (V) | 40 – 60 |
| Battery Type | Li-ion / Lead-acid etc. |
| AC Grid |
| Max Continuous Current (A) | 5.0 | 10.0 | 14.0 | 14.0 | 19.0 | 23.0 | 28.0 |
| Max Continuous Power (kVA) | 1.0 | 2.0 | 3.0 | 3.0 | 4.0 | 5.0 | 6.0 |
| Nominal Grid Current (A) | 4.6 / 4.4 | 9.1 / 8.7 | 13.7/13.1 | 13.7 / 13.1 | 18.2 / 17.4 | 22.8 / 21.8 | 27.3 / 26.1 |
| Nominal Grid Voltage (V) | 198 to 242 @ 220 / 207 to 253 @ 230 |
| Nominal Grid Frequency (Hz) | 50 / 60 |
| Power Factor | 0.999 (Adjustable from 0.8 overexcited to 0.8 underexcited) |
| Current THD (%) | < 3 |
| AC Load Output |
| Max Continuous Current (A) | 5.0 | 10.0 | 14.0 | 14.0 | 19.0 | 23.0 | 28.0 |
| Max Continuous Power (kVA) | 1.0 | 2.0 | 3.0 | 3.0 | 4.0 | 5.0 | 6.0 |
| Max Peak Current (A) (10min) | 6.9 / 6.6 | 13.7 / 13.1 | 20.5/19.6 | 20.5 / 19.6 | 27.3 / 26.1 | 34.1 / 32.7 | 41.0 / 39.2 |
| Max Peak Power (kVA) (10min) | 1.5 | 3.0 | 4.5 | 4.5 | 6.0 | 7.5 | 9.0 |
| Nominal AC Voltage L-N (V) | 220 / 230 |
| Nominal AC Frequency (Hz) | 50 / 60 |
| Switching Time (ms) | Seamless |
| Voltage THD (%) | < 3 |
| Efficiency |
| CEC Efficiency (%) | 97 |
| Max. Efficiency (%) | 97.6 |
| PV to Bat. Efficiency (%) | 98.1 |
| Bat. between AC Efficiency (%) | 96.8 |
| Protection |
| PV Reverse Polarity Protection | Yes |
| Over Current/Voltage Protection | Yes |
| Anti-Islanding Protection | Yes |
| AC Short Circuit Protection | Yes |
| Residual Current Detection | Yes |
| Ground Fault Monitoring | Yes |
| Insulation Resister Detection | Yes |
| PV Arc Detection | Yes |
| Enclosure Protect Level | IP65 / NEMA4X |
| General Data |
| Dimensions (W x H x D, mm) | 370 x 535 x 192 |
| Weight (kg) | 18.5 | 20.5 |
| Topology | Transformerless |
| Cooling | Intelligent Fan |
| Relative Humidity | 0 – 100 % |
| Operating Temperature Range (°C) | – 25 to 60 |
| Operating Altitude (m) | < 4000 |
| Noise Emission (dB) | < 25 |
| Standby Consumption (W) | < 10 |
| Mounting | Wall Bracket |
| Communication with RSD | SUNSPEC |
| Display & Communication Interfaces | LCD, LED, RS485, CAN, Wi-Fi, GPRS, 4G |
| Certification & Approvals | NRS097, G98, EN50549-1, C10/C11, AS4777.2, VDE-AR-N4105,VDE0126, IEC62109-1, IEC62109-2 |
| EMC | EN61000-6-2, EN61000-6-3 |