British professional manufacturing aluminum transformer 22 years
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 |
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Add: Yinghua Industrial Park, Hengxitou Village, Futian Town, Boluo County, Huizhou, Guangdong.
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