professional stabilizers & Inverters manufacturer and solution provider for 25years
| WD-series Double displayer Pure sine wave inverter | |||||
| Model | WSKD-500 | WSKD-800 | WSKD-1000 | WSKD-1500 | |
| Rated Power | 300W | 500W | 700W | 1050W | |
| Battery voltage | 12Vdc | 12Vdc | 12Vdc | 24Vdc | |
| Working | PV-->BAT-->AC/AC-->PV-->BAT/PV-->AC-->BAT optional | ||||
| PV | Input voltage range | 15Vdc-75Vdc | 30V-90Vdc | ||
| Max. charge current | 10A/20A/30A/40A optional | ||||
| Max. conversion effciency | 98% | ||||
| Display | Panel indicator light | LED graphic screen+LED lights | |||
| Mains status | Input voltage range | 140-275Vac | |||
| Input frequency range | 45Hz-65Hz(auto transfer to inverter mode when over frequency) | ||||
| Output voltage range | 195-240Vac | ||||
| Input PF.(AC/DC | 98% | ||||
| Efficiency | Mains mode | ||||
| Charge Current | 10A | ||||
| Mains overload | warning until load decrease | ||||
| Short circuit | Yes | ||||
| Inverter Output | Inverter output voltage | 220V+-3% | |||
| Output frequency | 50Hz/60Hz+- 0.3Hz | ||||
| Output power factor | 》=0.8 | ||||
| Waveform distortion | linear load<=3% | ||||
| PV-AC transfer time | 4ms typical value Max. 6ms | ||||
| Efficiency | inverter mode>=80% | ||||
| Inverter overload | 110-130% shutdown at 30s;130-150% shutdown at 3s | ||||
| Short circuit | system automatically shut down | ||||
| Alarm | Mains abnormal | 1time/1ssilence auto after 5s/ 5s | |||
| Low battery | 1time/1s and flash battery last grid | ||||
| Overload | 1time/1s and display"overload" grid | ||||
| Others | Output socket | universal socket/customized | |||
| Surge protection | optuional | ||||
| Ambient temperature | 0-40° | ||||
| Ambient | 10%-90%RH,non-condesing | ||||
| Noise | <=50db | ||||
| Machine dimension (mm) | 259x257x149 | 310x312x167 | |||
| Qty/Ctn | 2 | 2 | 1 | 1 | |
| Packing dimension | 670x360x235 | 420x400x265 | |||
| Packing weight | 14.6 | 17.8 | 9.8 | 10.8 | |