TONHE Emergency Lighting Panel DC Panel with 0ms Transfer Time

Product Introduction

The Tonhe Electronics Emergency Lighting Panel is a high-reliability emergency lighting distribution system specifically designed for critical facilities, integrating intelligent power management with uninterrupted power supply capabilities. Leveraging online UPS technology, the product achieves zero-millisecond seamless transfer between mains power and backup sources, ensuring continuous operation of lighting systems during power outages to guarantee safe personnel evacuation and operational continuity in critical areas.

The core function of the Emergency Lighting Panel is to automatically switch to a backup DC power source (such as a 220V DC system from a substation or distribution room) upon loss of normal AC power. Through its built-in inverter, the system converts this DC power into 220V AC, supplying stable electricity to emergency lighting fixtures.

Electrical Performance Modules & Application Scenarios

Tonhe Electronics Emergency Lighting Panel adopts advanced high-frequency switching power supply technology, with built-in intelligent rectifier, inverter and static switch modules, supporting automatic dual-power input transfer. The system is equipped with comprehensive electrical protection functions, including over-voltage protection, under-voltage protection, over-current protection, short-circuit protection and surge suppression, effectively eliminating power pollution issues such as grid harmonic interference, voltage sags and electromagnetic interference. This product series is widely used in critical locations such as power plant control buildings, distribution rooms, hospital life support areas, data centers, subway tunnels, commercial complexes and public evacuation passages, ensuring reliable emergency lighting power supply when normal lighting fails.

True 0ms Transfer

Adopts Online Double-Conversion technology: where the inverter is always active and powering the load. When mains power fails or becomes abnormal, the battery pack immediately continues to supply power through the inverter with an absolute 0-millisecond transfer time, ensuring continuous voltage waveform at the load end without interruption.

Pure Inverter Power Supply

Regardless of mains power presence, the equipment end is always supplied with pure, stable sinusoidal AC power by the inverter, completely isolating grid disturbances such as surges, harmonics, and frequency drifts, thereby protecting precision lighting equipment (e.g., LED drivers, gas discharge lamp ballasts).

Intelligent AC/DC Management

The system automatically monitors mains status. When mains is normal, it rectifies, charges, and outputs via inversion; when mains fails, it seamlessly switches to battery inverter output; when mains restores, it automatically switches back and float-charges the battery, all without manual intervention.

Cabinet Specifications & Dimensions

The product is manufactured from high-quality cold-rolled steel plate with electrostatic powder coating treatment, featuring excellent corrosion resistance and wear resistance. Standard cabinet dimensions can be customized according to customer requirements, with common specifications including: 800mm(W)×600mm(D)×2000mm(H), 1000mm×800mm×2200mm and other size options. Both front and rear doors are equipped with safety locks, with reasonable internal space layout for easy equipment installation and maintenance. Protection rating can reach IP30/IP40 standard, adapting to different installation environment requirements. The cabinet interior adopts modular design with independently installed functional units.

Section 4: Certification Standards

The Tonhe Electronics Emergency Lighting Panel is designed and manufactured in strict adherence to core International Electrotechnical Commission (IEC) standards, ensuring global compliance and ultimate reliability. The product fully complies with IEC 62040-1 (Safety requirements for UPS) and IEC 62040-3 (Performance and test requirements), authoritatively validating its exceptional 0ms seamless transfer and online inverter power supply performance. It simultaneously meets the IEC 60529 ingress protection standard (IP30/IP40) for diverse installation environments and adheres to the IEC 61000 series for Electromagnetic Compatibility (EMC) to eliminate grid interference. The battery system passes the UN 38.3 international transportation safety test, and the complete unit is produced under the ISO 9001 Quality Management System, providing power safety assurance that meets the highest international specifications for critical facilities worldwide.

1. Why choose us?

   We are a high-tech enterprise integrating manufacturing, sales, system solutions, and after-sales service. With over 290 successful projects for 220 kV to 500 kV substations and battery systems above 1000 Ah, Tonhe has become a leading DC power system supplier in China, holding over 40% market share and producing 1 million modules annually. Choose us for exceptional quality, reliable support, and proven value.

2. How can we guarantee quality?

   Our 8 advanced production lines, equipped with imported machinery, achieve 80% automation and up to 99% first-pass yield. All power modules undergo double-sided potting, conformal coating, and rigorous functional, environmental, and aging tests—ensuring reliable 24/7 performance in critical power infrastructures.

3. How We Support Your Business?

   A full range of power conversion modules, system-level low-voltage DC distribution cabinets for DC loads, data center power systems, as well as customized hardware and software power solutions.

4. Can customers get sample orders?

   Yes, you can get sample orders to test our quality. The cost of samples is paid by the customer.

5. What are the payment types?

   We accept payment via TT (Telegraphic Transfer).Product Introduction.

6. 350+ Elite R&D Engineers

   Tonhe Technology boasts a dedicated team of over 350 R&D engineers, representing a significant portion of our total workforce. Core team members hail from renowned domestic and international universities and research institutions, focusing on breakthroughs in cutting-edge power electronics technology. Deep Patent Portfolio: We hold hundreds of core technical patents covering high-frequency soft-switching, digital control algorithms, and EMC design. As a drafting unit for multiple power supply industry standards, we don't just follow standards; we help define them.

7. Global Service & Support System

   7x24 Remote Intelligent O&M: Leveraging IoT technology, the Tonhe Technical Support Center provides 7x24 remote diagnostic services. No matter where our customers are located, our expert team can quickly identify faults and provide solutions through remote data access, minimizing downtime to the greatest extent. International Certification Assurance: Our full product line passes CE,9001,IEC certifications, complying with entry standards for major global markets, ensuring worry-free procurement for overseas clients.