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12V DC to AC 220V 230V 240V AC off-grid pure sine wave solar inverter with AVR function
WS-series is off-grid type solar inverter that was built-in MPPT charger controller. So it is easy to make up complete solar power system when you connect it directly with solar panels, battery.
It also has two working mode. The first is solar PV working mode. When grid power is outage, please connect it directly with solar panels and battery. It will transfer solar DC power to AC power. The second is grid working mode. When utility power on, it will stabilize the input voltage and output pure sine wave AC power.
| Model | WSKD-500 | WSKD-800 | WSKD-1000 | WSKD-1500 | WSKD-2000 | WSKD-2500 | WSKD-3000 | WSKD-5000 | |
| Rated power | 300W | 500W | 700W | 1050W | 1400W | 1800W | 2100W | 3500W | |
| Battery voltage | 12Vdc | 24Vdc | 48Vdc | ||||||
| Working mode | PV-->AC-->BAT/AC-->PV-->BAT/PV-->BAT-->AC | ||||||||
| PV | input voltage range | 15V-75Vdc | 30v-90Vdc | 60V-90Vdc | |||||
| max. charge current | 20/0/40/60A optional | 20/0/40/60A optional | |||||||
| Max. conversion efficiency | 0.98 | ||||||||
| Display | Panel indicator light | LED graphic screen+LED lights | |||||||
| Main status | input voltage range | 140-275Vac | |||||||
| input frequency | 45-65Hz( auto transfer to inverter mode when over frequency) | ||||||||
| Output voltage range | 195-240Vac | ||||||||
| Input PF. | 0.98 | ||||||||
| efficiency | mains mode>=96% | ||||||||
| charge current | 10A | ||||||||
| mains overload | warning until decrease load | ||||||||
| short circuit | Yes | ||||||||
| Inverter output | Inverter output voltage | 220V+-3% | |||||||
| Output frequency | 50Hz/60Hz +-0.3Hz frequency adaptive | ||||||||
| Output power factor | >=0.8 | ||||||||
| Wave form distortion | linear load<=3% | ||||||||
| PV-AC transfer time | 4ms typical value | ||||||||
| Efficiency | inverter mode >=80% | ||||||||
| Inverter overload | 110%-120% shutdown at 30s, 130-150% shutdown at 3s | ||||||||
| short circuit | system automatically shut down | ||||||||
| Alarm | mains abnormal | 1 time/1s, silence auto after 5s | |||||||
| low battery | 1 time/1s and flash battery last grid | ||||||||
| overload | 1 time/1s and display "overload" grid | ||||||||
| communication interface | RS232(optinal)) | ||||||||
| Others | Output sockets | universal sockets/customized | |||||||
| surge protection | optional | ||||||||
| ambient temperature | 0-40℃ | ||||||||
| ambient humidity | 10-90% (non condesing) | ||||||||
| noise | <=50db | ||||||||
| machine dimension | 259x257x149 | 310x312x167 | 540x330x130 | ||||||
| packing dimension | 670x360x235 | 420x400x265 | 645x435x245 | ||||||
| Qty/Ctn | 2 | 1 | 1 | ||||||
| Packing G.W.(kg) | 14.60 | 17.80 | 9.80 | 10.80 | 14.00 | 15.80 | 22.00 | 26.00 | |
2.Packaging&Shipping
1PCS/gift box, 2gifts boxes/carton box; it is better shipped with full container by sea.
Carton Box Size; 670x360x235mm
G.W./CTN: 7.80Kg
3.Our Services
1)We offer you samples tested befor placing your orders
2)We offer you spare parts upon your quantities of orders
3)We offer you after-sale services online when you have question
4. Company Information
HuiZhou YingHua Electronic Co., Ltd(1st toroidal transformer inverter inventor in China) established in 2001 is a professional manufacturer in power solutions field. All stuff in factory must follow military production rules for our boss is with military ancestry. So the quality of products is the our first goal for customers and markets.
The solar intergrated inverter(0.5K-5Kva), Solar charger controller, Pure sine wave inverters/UPS(0.5K-5Kva), Modified sine wave inverters(0.5K-4Kva), Automatic voltage stabilizer(0.5K-30K for single phase, 9K-200K for three phase) with brand name "Powerhero". Professional power amplifiers with brand name "Powerdream", converters are also our main products.
Our production workshop, CNC workshop, transformer workshop, Asemble workshop and other workshops form a complete production system. There are some features for your reference.






5. Our sales team on Biannual Canton Fair

6.FAQ
1). Do you have certifications of your products?
Ans: Yes, our products veritified by CE, CQC, SONCAP
2). How do you prove that your products are with good quality?
Ans: our products must be passed with strict IQC inspections, 100% online testing, under loading and burn-in testing
3). How about warranty?
Ans: 1 year for warranty
4). Can you send us samples ?
Ans: Yes, samples are available when you confirm payment
5). Where is your factory?
Ans: Our factory located in Futian town, Boluo county, Huizhou city in Guangdong province. 1.5 hours' drive from Guangzhou or Shenzhen.
As a 16 years professional manfacturer of UPS/Inverter, Solar inverter, Stabilizers etc. , we sincerely welcome u for business contact.
Add: Yinghua Industrial Park in HuiZhou, GuangDong, China
Tel:86-752-6880958
Fax:86-752-6885158
Offical website: www.gdyhdz.com
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