Industrial sites such as power substations, manufacturing plants and AI data centers raise higher standards for power reliability, energy efficiency and intelligent O&M. Traditional AC distribution involves multiple power conversion stages, bringing extra energy loss and potential failure risks.
Tonhe Technology (300491) offers full-set industrial DC power distribution solutions, covering power modules, distribution cabinets, monitoring platforms and customized engineering services.
- Multi-voltage platform coverage: 48V, 110V, 220V, 240V, 336V and 800V HVDC options to match industrial, telecom and AI computing loads.
- High-efficiency power modules: Adopt soft-switching & SiC technology, peak efficiency over 97%. Intelligent module sleep cuts standby power consumption.
- Harsh environment adaptability: Double-sided potting design, working temperature range -40℃ ~ 75℃, anti-dust, anti-humidity and anti-vibration.
- Modular cabinet structure: Independent compartments for AC input, rectifier and DC distribution. Prefabricated for fast installation and capacity phased expansion.
- Comprehensive protection & intelligent monitoring: Built-in touch HMI, support Modbus/TCP & HTTP. Overvoltage, undervoltage, short-circuit and reverse connection protection; remote alarm and system health diagnosis.
- Lower lifecycle cost: Remove one AC-DC-AC conversion link vs conventional UPS, fewer fault points and reduced OPEX.
Tonhe deployed TH-HVDC-240/336 series DC power distribution system.
Max cabinet capacity: 720kW, 30kW modular rectifiers, up to 24 modules per cabinet.
Phased capacity expansion, matching GPU rollout and avoiding excessive upfront investment.
Compatible with liquid cooling racks; system availability ≥99.99%, helps customers achieve green PUE targets.
Unified monitoring connects to data center management system for fast fault location.
Tonhe 110V / 220V DC operating power supply system for relay protection and measuring & control terminals.
Stable DC bus under grid fluctuations to secure substation safe operation.
Mass deployed in domestic power grid construction and renovation projects.

- Typical industries: Power substations, factories, mining, telecom sites, edge computing and AI data centers.
- New energy integration: Easy to connect with batteries and photovoltaic systems to build industrial microgrids.
- Custom service: Standard or tailor-made solutions for new projects and legacy power system upgrade.
Industrial DC power distribution is a key low-carbon trend for high-power industrial and computing infrastructure. Tonhe takes part in 800V DC industry specification research, continuously upgrading hardware and intelligent control algorithms.
We provide reliable, energy-saving and easy-maintain DC power distribution products plus full-lifecycle services for global industrial clients, empowering industrial digitalization and green energy transition.