An industrial DC rectifier is a core power conversion device that converts grid alternating current (AC) into stable, regulated direct current (DC) for industrial loads.
Different from ordinary consumer rectifiers, industrial models use high-frequency switching and digital control, featuring low output ripple, accurate voltage/current regulation and strong anti-interference performance.
Main application scenarios: power substations, telecom base stations, data centers, battery backup systems, industrial control cabinets and new energy infrastructure.
Core value: As the power core of the DC system, its reliability directly affects the continuous and safe operation of the whole site.
Confirm rated voltage, output current, power factor and conversion efficiency. High efficiency reduces long-term power consumption and heat generation.
Check AC input range, suitable for unstable grid conditions in some industrial areas.
Mandatory protections: overvoltage, overcurrent, short circuit, over-temperature, reverse connection protection.
Support parallel current sharing when multiple modules work together.
Wide operating temperature range, optional natural cooling / forced air cooling.
Qualified EMC performance to avoid interference with other equipment in the cabinet.
Standard interfaces: CAN, RS485. Support remote monitoring, fault alarm and “four-remote” management.
✅ Manufacturer strength & after-salesIndependent R&D capability, standardized production, complete certifications.
Stable delivery, accessible technical support and fast after-sales response, especially for overseas projects.
Tonhe Technology (Stock Code: 300491) is a listed enterprise focused on power electronics, with decades of experience in AC-DC rectifier R&D and manufacturing.
✅ Company StrengthFounded in 1998, with over 20 years of power module development experience.
Strong R&D team: nearly 30% of employees are R&D engineers; continuous high R&D investment every year.
Rich intellectual property: more than 280 patents and 70 software copyrights.
Advanced production & test: CNAS-certified EMC lab, automatic SMT, assembly and aging lines; annual capacity up to 1.2 million power modules.
Certifications: ISO9001, IATF16949, CE, compliant with international export requirements.
Service for global customers: provide standard products and customized DC power solutions.
Adopt self-developed soft-switching resonant technology, high efficiency, high power density and low ripple.
Main product lines:
TH48 series: 48V rectifier modules for telecom power systems
TH110D series: 110V modules for substation DC operating power
TH230D series: 220V modules for power industry DC screens
High-power rectifier modules for new energy charging scenarios
Common advantages:
Support hot swap and parallel operation with precise current sharing
Built-in comprehensive fault detection and alarm
Wide AC input, adapt to harsh indoor and cabinet environments
Compact size, easy installation and maintenance
Many low-cost rectifiers on the market have hidden risks such as unstable output and short service life.
Choosing a manufacturer with core technology, mature mass production and complete after-sales is the best way to cut your total operation cost.
Tonhe provides not only qualified rectifier modules, but also full-cycle technical support for system integrators and industrial project owners worldwide.
