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Off-Grid Inverter  WTI-NB-6K/48-220-F
  • Off-Grid Inverter  WTI-NB-6K/48-220-F
  • Off-Grid Inverter  WTI-NB-6K/48-220-F
Off-Grid Inverter  WTI-NB-6K/48-220-F
Off-Grid Inverter  WTI-NB-6K/48-220-F

Off-Grid Inverter WTI-NB-6K/48-220-F

  • Product Information

The Off-Grid Inverter WTI-NB-6K/48-220-F is a compact energy conversion unit designed to manage electrical power flow within an independent power system. Based on the product images, the unit adopts a wall-mounted metal enclosure with a clean structural layout, integrating a centralized control panel that includes a 6-inch LCD screen and four physical navigation buttons. The front interface provides direct access to system status, while the indicator lights labeled AC, INV, CHG, and FAULT allow users to quickly identify the current operating condition without additional tools. The overall structure emphasizes stability and durability, with a compact size of 417 by 333 by 112 mm and a weight of 8.1 kg, making installation and handling more efficient.


From a user experience perspective, the inverter is designed for straightforward interaction and consistent operational visibility. The LCD interface displays real-time electrical parameters, enabling users to monitor system status without relying on external monitoring equipment. The button-based navigation ensures precise control over settings during commissioning and maintenance. With a noise level controlled at 50 dB, the unit maintains stable acoustic performance during continuous operation. The inclusion of communication interfaces such as RS485, CAN, and WiFi allows remote access to system data, supporting both local and remote supervision. This combination of physical controls and digital communication enhances usability while maintaining stable system operation.

1776759442720058


  • Parameter
ModelWTI-NB-6K/48-220-F
AC Input
Nominal Voltage208/220/230/240V ac,L+N+PE
Frequency Range50/60Hz
Input Voltage Range90-280 APP;170-264 UPS
Current Input (Max Continuous)26A
AC Output
Output Voltage208/220/230/240V ac,L1+N1+L2+N2+PE
Rated Power6kW
Power factor≥0.99
Current Output (Maximum Continuous)29.5ac
Max Output Overcurrent Protection / Bypass40A/1min
Max Output Overcurrent Protection / Battery1min@102%~120%Load
10s@>120%Load
Battery
Battery TypeLFP
Rated Voltage48V
Voltage Range42-58.4V
Max Charging Current120A
Default Charging Current100A
Default Utility Charging Current40A @Utility Only
PV Input
Number of MPPT / Strings per MPPT1/1
Max DC Input Power9KW
Max Open Circuit Voltage500V dc
MPPT Voltage Range60-450V dc
Startup Voltage80V
Max MPPT Charging Current120A
Max DC Input Current27A
Maxi DC Short Circuit Current33A
Features
Parallel Operation-
Protection Degree (IP Rating)IP20
General Parameters
Noise50dB
Dimensions417*333*112mm
Weight8.1kg
Display and Communication
DisplayLCD(6'')
Communication485/CAN/wifi
  • Features
  • Supporting Solar Power, Mains Power And Battery Connection

  • DPS Digital Control Technology, Dual-Transformer Online Design, Adopting Input PFC Technology, Input Power Reaches 0.99, Efficient Inverter Topology Output

  • New Type Of High-Efficiency MOSFET, Less Heat Generation, Smaller Size,longer Lifespan

  • Combined With WENTAl ESS, Optimized Design, Longer Battery Life

  • '0' V Start-Up

  • Equipped With An External WIFI Module, It Can Be Remotely Monitored Via A Mobile App (optional)

1776759455637712


  • Application

Home Power -

The inverter supports residential energy systems requiring stable and continuous electricity supply. With a rated output of 6 kW, it can maintain multiple household electrical loads simultaneously while keeping voltage stable within the 208 to 240 V AC range. The system allows structured monitoring through its integrated interface, enabling users to observe energy usage and system performance in real time. The stable battery voltage range ensures consistent energy storage management, allowing reliable electricity supply under varying load conditions and improving overall energy control within residential environments.

Remote Living -

In off-grid living environments where grid access is limited, the inverter provides a reliable solution for managing electrical power. The wide AC input range of 90 to 280 V allows the system to accept unstable auxiliary input sources without frequent interruptions. The maximum charging current of 120 A ensures efficient energy storage, supporting continuous power availability. The integrated display and control interface allows users to monitor and adjust system parameters directly, reducing dependence on external diagnostic tools and improving system usability in isolated environments.

Small Business -

For small commercial operations, the inverter provides stable energy regulation with a continuous output current of 29.5 A. This ensures consistent operation of electrical equipment requiring steady voltage supply. The defined overload capability allows short-term load increases without system shutdown, supporting equipment startup processes. Communication interfaces such as RS485 and CAN allow integration with monitoring systems, enabling centralized data tracking and improving operational efficiency within business environments.

Telecom Use -

Telecommunication systems require stable and uninterrupted power supply, and the inverter ensures consistent voltage regulation under varying input conditions. The low operating noise level of 50 dB supports installation in controlled environments without causing disturbance. The photovoltaic input capacity of up to 9 kW allows extended operation using renewable energy sources. Communication protocols enable remote monitoring, ensuring system status can be accessed and managed without requiring on-site inspection.

Backup Power -

As a backup energy solution, the inverter provides stable energy support during power interruptions. The system maintains controlled energy transfer between sources, ensuring continuous output performance. The battery charging system with adjustable current levels from 40 A to 120 A ensures that stored energy remains available when required. The LCD interface provides real-time system status, allowing users to monitor backup readiness and system performance continuously, ensuring reliable operation during unexpected outages.

Farm Systems -

In agricultural environments, the inverter supports consistent electrical supply for operational equipment. The stable output of 6 kW ensures reliable energy delivery for systems requiring continuous operation. The wide photovoltaic input range from 60 to 450 V allows flexible solar panel configurations in open areas. The system maintains stable performance under varying environmental conditions, ensuring reliable energy availability across extended operational periods without interruption.

Mobile Setup -

For mobile or temporary installations, the inverter offers a compact and lightweight structure at 8.1 kg, enabling easier transportation and installation. The system supports multiple energy inputs including AC and photovoltaic sources, allowing flexible configuration based on available energy. With a maximum DC input power of 9 kW, it can adapt to different energy supply setups efficiently. The integrated monitoring interface allows users to track system performance and adjust parameters in real time, ensuring stable operation even in changing installation environments.


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