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SP-70K
DC switch configured for safe operation and maintenance
IP65 3 MPPTs design, overload ratio is up to 1.3
Power Line Communication (PLC) supported to save the communication cable cost
Three-level + soft switching technology, ultra-wide MPPT voltage range
Technical Parameters
Input (DC)
| Max. PV input voltage | 1100V |
| Max. input current | 44A*3 |
| Rated input voltage | 760V |
| MPP voltage range | 200~1000V |
| MPP voltage range for nominal power | 625~850V |
| Number of MPPT trackers | 3 |
| Max. number of PV strings per MPPT | 4 |
Output (AC)
| Rated output power | 77kW@45℃/70kW@50℃ |
| Max. output power | 77kW |
| Rated grid voltage | 500V |
| Grid voltage range | 425~550V |
| Max. output current | 89A |
| Rated grid frequency / range | 50Hz/45~55Hz, 60Hz/55~65Hz |
| Output current harmonic(at nominal power) | <3% |
| Power factor at nominal power / range | >0.99/0.8leading to 0.8lagging |
Protection
| DC reverse connection protection | Yes |
| Overvoltage protection | DC Type II/AC Type II |
| Leakage current protection | Yes |
| Grid monitoring | Yes |
| Insulation monitoring | Yes |
| Anti-island protection | Yes |
Efficiency
| Max. efficiency | 99.00% |
| EU efficiency | 98.60% |
Transformer
General date
| Isolation method | Transformerless |
| Self-consuming in night | <5W |
| Protection level | IP65 |
| Noise | <60dB |
| Temperature | ﹣30℃～+60℃ |
| Allowed humidity(non condensing) | 0-100% |
| Cooling mode | Temperature controlled forced air cooling |
| Max.operating altitude | 4000m (＞3000m derating) |
| Communication port | Standard:RS485, Optional:PLC |
| Dimensions (W×H×D) | 585×853×295mm |
| Weight | 72kg |
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