Products
Industries
Input parameters: Six phase, AC380V±10% ,50HZ
Output parameters: DC 0~655V 0~8700A
Output mode: Common DC output
Cooling method: Water cooling
Power supply type: Silicon controlled rectifier
Application Industry: Chlor-Alkali Production, such as membrane/diaphragm cell for Cl₂, H₂, NaOH; Chlorate Manufacturing, such as NaClO₃, sodium chlorite; Water Treatment, such as NaOCl, ClO₂, on-site Cl₂; Precious Metal Refining, such as gold/silver chloride electrolysis.
A Chlor-Alkali Rectifier, unlike standard industrial rectifiers, must keep current rock-solid while blocking reverse events. If the DC wavers — even briefly — side reactions kick in, membranes degrade, product quality drops, or worse, you compromise safety. That’s why it’s the core of any chlor-alkali or chlorination plant.

› Chlor-Alkali Production — That’s Where You Get Caustic Soda and Liquid Chlorine
Take saturated brine. Run electrolysis. Out comes Cl₂, H₂, and NaOH.Membrane cell and diaphragm cell plants use this setup all the time. A Chlor-Alkali Rectifier is the standard choice here.
› Chlorate Manufacturing
Same thing applies. You need continuous DC to make sodium chlorate (NaClO₃), sodium chlorite, and other chlorine derivatives. Both chlor-alkali rectifiers and chlorination rectifiers can handle this.
› Fine Chemical and Water Treatment Industries
These rectifiers power sodium hypochlorite generators, chlorine dioxide systems, and on-site chlorine generation units for industrial water treatment. Chlorination rectifiers are particularly common in water treatment applications.
› Precious Metal Refining
You’ll also find them in electrolytic purification of precious metals. Gold chloride, silver chloride solutions—that sort of thing. Both rectifier types work well here too.

› Exceptional Energy Efficiency and Low Harmonic Performance
36-pulse and 48-pulse configurations as standard. Add APF (active power filter) and THD drops below 3%. Overall efficiency hits 98.5%.
› Advanced Corrosion Protection and Cooling Design
Fully enclosed cabinets, conformal coatings, and optimized cooling. Proprietary designs improve thermal balance and reduce maintenance.
› Modular Hot-Swappable Architecture
Drawer-type modules. Swap a faulty one without stopping production. That’s 24/7 operation.
› Dual-Core Digital Control Platform
DSP + FPGA gives you accurate pulse sync, fast response, soft-start, and automatic current recovery. Minimizes stress on electrolytic cells.
› Grid-Friendly Design
Optimized transformer and rectifier configurations improve electromagnetic compatibility. Less interference with surrounding instruments, better plant power quality.
› Pulse Number Selection
Match pulse count to local power quality requirements and plant capacity.
6-pulse: Small-capacity applications
12-pulse: Conventional industrial systems
24/36/48-pulse: Large-scale chlor-alkali facilities needing superior harmonic performance
Higher pulse number = lower harmonic distortion.
› Voltage Regulation Range
Cell voltage changes as electrolyzers age. Get enough transformer regulation range to maintain efficient operation over the full service life.
› Cooling Method
Above 15 KA? Use closed-loop pure water cooling. Air-cooled only for lower-capacity installations in clean environments.
› Safety Configuration
High-speed DC breakers and comprehensive protection are essential. No shortcuts.
| Characteristic Types | Parameter Items | Technical Requirements |
| Power Types | Power types | High-frequency Power Supply |
| Model and specifications | KES-8700A/655V | |
| Cooling mode | Water-cooled | |
| Switch tube type | Silicon controlled rectifier | |
| Input Characteristics | Rated Input Voltage | Six-phase, AC380V±10% ,50HZ |
| Rated Input Power | AC 544.9V | |
| Rated Input Current | AC 3550A | |
| Input Power Factor | COSΦ≥0.95 | |
| Output Characteristics | Output Voltage | DC 0~655V |
| Output Current | DC 0~8700A | |
| Stabilized Current Precision | ≤1%(Rated Current) | |
| According to accuracy | 1A,0.01V | |
| Rated Output efficiency | ≥91% | |
| Environmental Conditions | Installation site | Indoor installations |
| Altitude | ≤1000 meters | |
| Ambient temperature | -20℃~40℃ | |
| Relative humidity | ≤90% | |
| Control Mode | Operating mode | PLC, ADDA, Ethernet, RS485 and RS232 |
| Weight | Net weight | About 8000KG |
| External Dimension | Height*Width*Depth | H6058mm×W2438mm×D2896mm |
| Protection Characteristics | With over voltage, over current, overload, short circuit,
overheating and other abnormal self-protection function |
|
If you require water treatment power supplies with different specifications, we can custom-design them to meet your needs. Please contact us for more information.
Looking for the factory price of a high efficiency 665V 8700A chlorination rectifier for water treatment? Liyuan Haina Rectifier, a professional manufacturer with 27+ years specializing in industrial rectifiers, supplies global clients including the United States, Sweden, Netherlands, Italy, Spain, South Africa, Russia, Germany, Japan, South Korea, Malaysia, etc. Our advanced factory delivers cost-effective Made-in-China solutions, with competitive prices and customizable options. Contact us for sales inquiries.
Hot Tags: High Efficiency 665V 8700A Chlorination Rectifier for Water Treatment, Chlor-Alkali Rectifier Manufacturer, Electrolysis Rectifier Manufacturer, Chlor-Alkali Rectifier, Chlorination Rectifiers, Chlor-Alkali Electrolysis Rectifier, Brine Electrolysis Rectifier, Rectifier for Chlor-Alkali Plants, SCR Electrolysis Rectifier
If you have more questions, please leave us a message and we will contact you within 24 hours.