This product boasts high automation, and for routine operations, it doesn't require extensive technical expertise from the staff on duty. Operation can be performed by following the user manual.
Operating Environment
2.1 Altitude not exceeding 2,000 meters.
2.2 Environmental Temperature: -10~+50℃
2.3 The average relative humidity on the 2nd and 3rd days does not exceed 95%, and the monthly average relative humidity does not exceed 90%.
2.4 Free from severe vibration and impact, and free from strong electromagnetic field interference.
2.5 Free from serious dust, explosive hazardous substances, corrosive metals, and harmful gases that damage insulation, conductive particles, and severe mold.
2.6 The vertical inclination is not greater than 5 degrees.
Section 3: Technical Specifications
3.1 Three-phase AC input voltage: 380V (±15%, -10%), frequency: 50 Hz ±0.5.
3.2 Control busbar DC output voltage: 220V/24V/48V/110V
3.3 Rated Direct Current Output Current of Bus Bar: 40A.
3.4 The rated capacity for maintenance-free, fully-sealed lead-acid batteries applies to: 40AH-500AH (in this case, 120AH).
3.5 Bus voltage stability control ≤ ±0.2%.




Shanghai Ren Automation TechnologySince our inception, we have been dedicated to the exploration, learning, and innovation of DC power technology. We do not offer a wide range of products; we specialize in just one type of DC panel, and that is the DC power panel.
We are among the fewCompanies capable of repairing the mainboard of DC screen charging modulesAvailable for repairIn the marketMost of the direct currentsPower SupplyModule.
We've always adhered to the belief that technology equals market share.
Our DC power panels are2012Year, passed the inspection of the National Relay Protection and Automation Equipment Quality Supervision and Inspection Center and the Xuchang Kaipei Electric Testing Research Institute (Certificate Number: ...)JW120747)。
Years ofTechnical expertise stems from our deep involvement in the DC power supply industry.Interest and passion!
We consistently provide clients with high-quality, stable, and reliable DC power supply technology.The charging module incorporates the following technologies:
Resonant Voltage-Controlled Power ConverterFull-featured soft switchTechnology
Soft-switching ResonantDC-ACInverter circuit technology
Resonant Voltage-Controlled Power Converter Technology
Active Power Factor Correction Step-Up Transformer Technology
Quality and excellence are essential to better serve our clients and create value for them.
For a decade through storms and sunshine, we remain true to our mission: producing high-quality domestic DC screens. We continually learn, improve, engage in healthy competition, appreciate each other, and support one another. Welcome to call for inquiries and discuss cooperation.
Direct current screen, which one is the best? Shanghai Zhenren offers excellent quality and competitive prices!
Factory Address: No. 18, Cao Lian Branch Road, Jiading District, Shanghai
Phone: 021-34619255
Postal Code: 200235
Sales Vice President: Liang Zhengming 15202122187
Email: 15202122187@163.com
Factory Receiver: Li Shantao 18162136277





























