Thyristor & Switch-Mode Topologies
Engineered with advanced thyristor control (DPTR series) or high-frequency SMPS technology (FlexKraft) to meet stringent low-ripple and high-efficiency requirements.
High-Power Conversion Engineering
Rectifiers & Transformer Rectifier Systems
Dependable AC to DC power conversion technology. From thyristor-controlled transformer rectifiers to modular SMPS units, engineered for green hydrogen, electroplating, water treatment, and heavy industrial electrolysis.
Engineering Excellence
Industrial Rectifier Power Supplies
Leveraging over 30 years of power conversion heritage, Powerstax designs, manufactures, and deploys high-reliability AC to DC industrial rectifiers. Our solutions power critical electrochemistry processes across Europe, North America, and global industrial markets.
Scalable Power Architecture
From compact 120W DIN-rail power modules to multi-megawatt (10MW+) liquid-cooled transformer rectifier installations tailored for heavy plant duty.
Harsh Environment Reliability
Built with robust IP-rated enclosures, corrosion-resistant thermal management, and comprehensive electrical protection against thermal and line transients.
ISO 9001 Certified Quality
Full design control, magnetic manufacturing, digital firmware, and factory acceptance testing (FAT) executed under strict ISO 9001 and CE compliance standards.
Product Portfolio
Featured Rectifier Series & Specifications
Explore our core rectifier platforms designed for continuous industrial operation. Custom output voltages, currents, and digital control interfaces are available upon request.
High-Current TR Series DPTR Transformer Rectifier
Thyristor-controlled AC-DC transformer rectifier platform designed for heavy-duty electrolysis, cathodic protection, and electrochlorination plants.
Power: Up to 75 kW FlexKraft Modular Rectifier
High-efficiency switch-mode rectifier featuring dual or single output modules, flexible current control, and minimal DC ripple for surface treatment.
Power: Up to 630 kW ECKraft Rectifier System
Heavy-duty power converter engineered specifically for large-scale electrochlorination and wastewater treatment installations worldwide.
Power: Up to 10 MW PowerKraft Megawatt Rectifier
Multi-megawatt high-current rectifier solution ideal for green hydrogen electrolysers (PEM/Alkaline) and intensive smelting electrochemistry.
Power: 120W – 480W CP Series Industrial Rectifiers
Compact, high-density AC-DC power supplies featuring wide input range, active PFC, and rugged chassis/DIN-rail mounting configurations.
Capacity: 205kVA – 225kVA Custom High-Current TR Systems
Bespoke high-ampere low-voltage units (e.g., 15V/1500A, 400V/500A, 150V/1200A) tailored to exact customer electrical specifications.
Technical Performance
Standard Technical Envelope
Compare typical performance parameters across our principal rectifier power conversion platforms.
| Platform Series | Primary Topology | Output Power Range | Cooling Method | Target Applications |
|---|---|---|---|---|
| DPTR Series | Thyristor-Controlled Transformer | 30 kVA to 500+ kVA | Air Forced / Oil Immersion | Cathodic Protection, Electrochlorination, Smelting |
| FlexKraft | High-Frequency Switch-Mode (SMPS) | 6 kW to 75 kW | Forced Air Cooling | Electroplating, Anodizing, Metal Finishing |
| ECKraft | Modular Switch-Mode Array | 50 kW to 630 kW | Water / Air Cooled | On-Site Hypochlorite, Water Purification |
| PowerKraft | Thyristor / Hybrid Converter | 500 kW to 10 MW+ | Deionised Water Cooled | Green Hydrogen Electrolysis (PEM & Alkaline) |
| CP Series | High-Density Switch-Mode | 120 W to 480 W | Convection / Air Cooled | Industrial Control, Automation Auxiliary Power |
Mission-Critical Sectors
Industrial Rectifier Applications
Our engineered rectifiers deliver precision current and voltage stability required for demanding electrochemical processes.
Green Hydrogen Production
High-current, low-ripple DC power optimized for PEM and Alkaline electrolyser stack efficiency and extended cell lifetime.
Electroplating & Anodizing
Fast dynamic response rectifiers with programmable pulse and polarity reversal control for uniform coating thickness.
Electrochlorination Systems
Continuous-duty power rectifiers for bio-fouling prevention in marine power stations and desalination plants.
Cathodic Protection (ICCP)
Regulated DC output for impressed current cathodic protection guarding offshore structures, pipelines, and storage tanks.
Expert Insights
Frequently Asked Technical Questions
What is the advantage of Thyristor vs. Switch-Mode (SMPS) rectifiers?
Thyristor transformer rectifiers excel in ultra-high current megawatt-scale applications requiring rugged thermal immunity. Switch-mode rectifiers offer higher power factor, compact footprint, and faster dynamic output regulation for precision metal finishing.
Can Powerstax rectifiers be customized to specific input voltages?
Yes. We design systems to operate from standard 3-phase utility voltages (380V, 400V, 415V, 480V, 690V) across 50Hz and 60Hz grids, with custom input transformers engineered to isolate line noise.
How does Powerstax manage thermal cooling for high-power rectifiers?
Depending on plant environmental requirements, we utilize air-forced convection, closed-loop liquid-to-air cooling, or direct water-cooled heat sinks designed for dusty, humid, or corrosive chemical environments.
What digital control protocols are supported?
Our rectifiers support modern industrial interfaces including RS485, Modbus RTU/TCP, Profibus, Analog 0-10V/4-20mA, and custom PLC integration for automated process control.
Need Detailed Specifications or Product Catalog?
Download technical datasheets, dimension drawings, and engineering capabilities for our industrial rectifier ranges.
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