Shenzhen Zhongguanda Technology Co., Ltd.
| Payment Terms | Western Union, T/T |
| Delivery Time | 10-15 work days |
| Input Voltage | 48VDC |
| Output Voltage | 110VAC/220VAC ±5%(inversion mode) |
| Output Current | load |
| Output Frequency | 50/60HZ ±1%(inversion mode) |
| Output Type | Single |
| Size | 350*175*550mm(L*W*H) |
| Type | DC/AC Inverters |
| Inverter Efficiency | 85% |
| Warranty | 1 yeah |
| Weight | 30KG |
| Solar Cell | Mono/Poly |
| Output Waveform | Pure Sine Wave |
| Color | Black/White/Blue |
| Brand Name | ZGD |
| Model Number | NKW-4KW |
| Place of Origin | Guangdong, China |
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Product Specification
| Payment Terms | Western Union, T/T | Delivery Time | 10-15 work days |
| Input Voltage | 48VDC | Output Voltage | 110VAC/220VAC ±5%(inversion mode) |
| Output Current | load | Output Frequency | 50/60HZ ±1%(inversion mode) |
| Output Type | Single | Size | 350*175*550mm(L*W*H) |
| Type | DC/AC Inverters | Inverter Efficiency | 85% |
| Warranty | 1 yeah | Weight | 30KG |
| Solar Cell | Mono/Poly | Output Waveform | Pure Sine Wave |
| Color | Black/White/Blue | Brand Name | ZGD |
| Model Number | NKW-4KW | Place of Origin | Guangdong, China |
| High Light | 4KW Low Frequency Solar Inverter ，24VDC Low Frequency Solar Inverter ，4KW hybrid off grid solar inverter | ||
Off Grid 4KW 24VDC/48VDC Hybrid Inverter Solar Power System For Home
NKW series with double MCU intelligent design, PV charge controller and inverter integrated optimization solutions, to provide users with the best experience.
Excellent performance for double MCU intelligent control tevhnology.
Applies to different types of loads because of its pure sine wave output.
Mains supply preferred mode, saving mode and battery preferred mode are all settable
A wide range, high accuracy, and full automatic voltage stabilization
Intelligent optimization SOC control
Full digital LED Display
Overall protection functions, such as battery overcharge protection, battery under voltage protection,overload and short circuit protection, etc..
The product is an integrated intelligent inverter with built-in charge controller system designed for large photovoltaic power.Based on double MCU intelligent control technology,it provide customers with the best experience.
It applies to different types of loads because of its pure sine wave output.Its mains supply preferred mode,saving mode and battery preferred mode are all settable,thus making it easy to meet the different application needs of users.It has intelligent optimization SOC control and independent three-stage photovoltaic charge management for battery to improve charge efficiency.LCD display realize the visualization of operation status of equipment.It is widely applied to large solar power generation occasions including families,schools,streets,pasturing areas,satellite communications equipment,etc.
| Model:NKW- | 1KW | 1.5KW | 2KW | 3KW | 4KW | 6KW | |
| Rated power | 1KW | 1.5KW | 2KW | 3KW | 4KW | 6KW | |
| Battery | Rated voltage | 24VDC/48VDC | 48VDC/96VDC | ||||
| Controller | Rated current | 40A-60A | |||||
| Three-stage charging | Boosting,direct,floating | ||||||
| Voltage of boosting charge | 28.4V; x2/48V; x4/96V | ||||||
| Voltage of direct charge | 28V; x2/48V; x4/96V | ||||||
| Voltage of floating charge | 27.6V; x2/48V; x4/96V | ||||||
| Control mode | PWM | ||||||
| Manins supply input | Voltage | 85-138VAC/170-275VAV | |||||
| Frequency | 45-65Hz | ||||||
| Charge current | 30A(Default-)C0-C6 | ||||||
| Battery type | U0-U7 | ||||||
| AC output | Voltage | 110VAC/220VAC;±5%(inversion mode) | |||||
| Output frequency | 50/60Hz±1%(inversion mode) | ||||||
| Output waveform | Pure sine wave | ||||||
| Efficiency | >85%(80% resistive load) | ||||||
| Overload | 110-120%/30S ; >160%300ms; | ||||||
| Protection function | Battery overvoltage protection, battery undervoltage protection, overload protection,short circuit protection, overtemperature protection, ect. | ||||||
| Switching time | 4-8ms | ||||||
| Ambient temperature for operation | 0-40℃ | ||||||
| Ambient temperature for storage | -15-+50℃ | ||||||
| Relative humidity for operation/storage | 0-90%(no condensation) | ||||||
| External dimensions: DxWxH(mm) | 290*125*430 | 350*175*550 | |||||
| Packing dimensions: DxWxH(mm) | 365*205*473 | 445*245*650 | |||||
Company Details
Business Type:
Manufacturer,Exporter,Seller
Total Annual:
1000000-5000000
Employee Number:
zgd001~zgd500
Ecer Certification：
Site Member
As a manufacturer with over 10 years of experience, Shenzhen ZGD Technology Co., Ltd. has more than 10 production lines which can produce 100,000 pieces of UPS every month. Over 10% of our staff members are engineers and professional technicians and more than 400 are skilled workers. Our company spe... As a manufacturer with over 10 years of experience, Shenzhen ZGD Technology Co., Ltd. has more than 10 production lines which can produce 100,000 pieces of UPS every month. Over 10% of our staff members are engineers and professional technicians and more than 400 are skilled workers. Our company spe...
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