A DC Power Supply Panel is your best friend when your building needs power that doesn't go out for mission-critical tasks. Power plants, substations, phone networks, and industrial control systems can all use our enterprise-grade panels to get secure, controlled DC power. These panels have advanced high-frequency switching units that change AC to stable DC output. They also keep the batteries charged all the time so that they can be used as a backup when the power goes out. Our systems have a N+1 modular redundancy design, microprocessor-based intelligent control, and full safety circuits. They have efficiency scores of over 92% and power factors of over 0.99. We offer solutions that keep your essential systems online 99.99% of the time, backed by 18 patents and over 20 years of manufacturing excellence.
You are aware that downtime is expensive in addition to being inconvenient. Our panels use clever redundancy to remove single points of failure. Your system keeps running even if one module requires repair.
Before leaving our plant, every unit is put through a thorough testing process. From raw material inspection to final delivery, we apply ISO 9001 quality requirements throughout the whole production process.
Modern infrastructure demands smart solutions. Our product systems offer:
Your maintenance team receives instant notifications about system status. This proactive approach prevents minor issues from becoming major failures.

We know your equipment room space is valuable. Our compact panel-mounted configuration maximizes power density while minimizing footprint. Front-accessible controls simplify installation and maintenance without requiring rear access.
| Parameter | Specification |
|---|---|
| Input Voltage | AC 380V±20%, three-phase four-wire |
| Output Voltage | DC 110V / 220V (configurable) |
| Output Current | 10A - 600A (customizable) |
| Efficiency | ≥92% at rated load |
| Power Factor | ≥0.99 |
| Voltage Regulation | ≤±0.5% (from no load to full load) |
| Ripple Coefficient | ≤0.5% |
| Module Redundancy | N+1 hot-swappable design |
| Protection Rating | IP20 - IP54 (depending on environment) |
| Operating Temperature | -10°C to +45°C (extended range available) |
| Control Method | Microprocessor-based intelligent control |
| Communication Interface | RS485, Ethernet, SNMP protocol |
| Battery Management | Intelligent charging with temperature compensation |
| Display | LCD touchscreen with parameter setting |
| Certifications | ISO 9001, ISO 14001, OHSAS 45001, CCC |
The power needs to stay on for your circuit breakers, relay safety systems, and control equipment. That's exactly what we offer. No matter how the grid or the load changes, our panels keep the DC power fixed.
When the power goes out, emergency lighting systems turn on right away. You can count on your control systems to work when you need them the most.
Having to pay more for energy can hurt your business. It means that our panels lose less energy and heat than 92% of the time. In real life, this means that parts need less cooling and last longer.
The high power factor (0.99) lowers reactive power, which makes the general use of electricity in your building more efficient.
It doesn't change how you run your business if one area fails. You will always have extra space because we have N+1 backups. You can switch out parts that are "hot-swappable" while the system is still working, without having to stop.
This approach to design comes from having used it in real life. It's very important for places like the Xuzhou Rail Transit Network Control Center and XCMG Group to be able to count on the power we provide.

Substations and power plants depend on our panels for control power. These environments demand equipment that withstands electromagnetic interference, voltage transients, and temperature extremes.
We've successfully deployed systems at Xuzhou High-speed Railway East Station, where dual-circuit designs ensure absolute safety for rail operations.
Cell towers and switching equipment require -48VDC systems with seamless battery backup. Our panels maintain operation during grid failures, with designs rated for seismic zones and temperature ranges from -40°C to +65°C.
Manufacturing facilities use our 24VDC panels for PLC systems, motor drives, and safety circuits. These environments present challenges: dust, vibration, and EMI. Our panels meet IP54 protection standards and include advanced filtering.
We've completed projects at GCL Photovoltaic Industrial Park and High-Tech Industrial Park, delivering solutions ahead of schedule while maintaining quality excellence.
Modern commercial buildings integrate our panels into building management systems. Projects like Xinhuai Central Complex and Huaihai Xintiandi benefit from our centralized power distribution approach.

We operate over 120 sets of state-of-the-art equipment:
Our innovation comes from people. With 15 senior engineers, over 30 intermediate technicians, and 17 senior technicians, we maintain deep expertise in DC Power Supply Panel power electronics and electrical engineering.
This team has secured 18 patents, demonstrating our commitment to technological advancement.
Quality isn't a checkpoint—it's a philosophy. We implement "zero defects" thinking throughout:
Every panel receives performance testing under various load conditions. We document results for full traceability.
Q: What causes voltage drift in DC power panels over time?
Voltage shift is usually caused by parts wearing out or changes in temperature. We deal with this by using voltage standards that are adjusted for temperature and suggesting that they be calibrated once a year. Our screens keep the voltage accurate to within ±0.5% for the whole time they are in use.
Q: How do I determine the correct battery backup duration?
Find the total DC load current and multiply it by the number of backup hours you need. Size the battery's capacity at 80% depth of drain to get the longest life. Based on your unique load profile, our technical team helps you with these estimates.
Q: Why might rectifier modules generate excessive heat?
Problems with heat generally mean that there isn't enough air flow, the system is overloaded beyond its 80% rated capacity, or parts are breaking down. Our panels have features for tracking temperatures and setting off alarms. For the best results, we suggest keeping the temperature below 40°C.
Q: Can I integrate your panels with existing monitoring systems?
Yes. Our panels support multiple communication protocols including RS485, Ethernet, and SNMP. We provide protocol documentation and technical support for integration with SCADA systems and building management platforms.
Q: What maintenance schedule do you recommend?
Perform visual inspections quarterly. Check electrical connections semi-annually. Conduct comprehensive testing and calibration annually. Battery health assessment should occur every six months. We provide detailed maintenance guides with each installation.
Q: How quickly can failed modules be replaced?
Our hot-swappable design allows module replacement in under 10 minutes without system shutdown. We maintain spare module inventory and offer rapid-response service agreements for critical installations.
Standard products don't always fit unique applications. We provide:
Our engineering team collaborates with you from concept through commissioning. We've adapted solutions for diverse conditions across municipal, commercial, and industrial sectors.
Over two decades, we've delivered hundreds of successful projects:
These projects demonstrate our capability to meet stringent deadlines while maintaining quality standards.

Beyond manufacturing panels, we assist with additional product procurement. This one-stop approach simplifies your project management and ensures component compatibility.
All products carry necessary certifications:
These credentials verify our commitment to international standards and continuous improvement.

"Technology first, service paramount, and integrity fundamental" guides our operations. We prioritize your interests through:
Ready to enhance your DC Power Supply Panel facility's power reliability? Our team is prepared to discuss your specific requirements and develop a tailored solution.
Contact us at tuojie@electricinchina.com for technical consultation and quotation.








