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Input parameters: Three-phase, AC220V, 60Hz, Complies with National Power Quality Standards
Output parameters: DC 0~28V 0~2500A
Output mode: Ordinary direct current
Cooling method: Water cooling
Power supply type: High frequency switching power
Application Industry: Nickel, zinc, and copper electrowinning, secondary resource processing, precious metal recovery, electroplating, PCB manufacturing, and nanomaterial preparation.
The 28V 2500A DC power supply for copper electrowinning and refining serves as the core power source in the copper electrolysis industry, delivering a precisely regulated DC supply for the cathode deposition process. This high-efficiency electrolysis power system ensures uniform copper ion deposition on cathode surfaces through stable current output, producing high-purity electrolytic copper. Operational data confirms the unit reduces energy consumption per ton of copper by 8-12% while elevating cathode copper grade above 99.99%. Its unique thermal management design maintains continuous operation in 45°C ambient conditions, particularly suitable for processing complex secondary copper materials.
The rectifier’s technical advantages directly translate to production process optimization. Through precise control of deposition parameters, it not only enhances primary copper quality but also significantly improves recovery rates of precious metals from anode slime. Operational reports from multiple smelters indicate approximately 15% increased recovery efficiency for scattered metals like selenium and tellurium, along with over 30% extended electrode service life. These improvements deliver substantial benefits across the entire electrorefining process.
Copper electrowinning rectifiers are primarily deployed in electrolytic refineries for cathode production, secondary copper processing plants, precious metal recovery operations, as well as electroplating, printed circuit board (PCB) manufacturing, and nanomaterial preparation. Their application extends to various hydrometallurgical processes including zinc electrowinning and nickel electrowinning, serving both new smelting projects and existing facility upgrades across the non-ferrous metals industry.

Field application diagram
› Dual-channel hot spare, scramble-free switching
› High-precision steady current control
› Critical loop redundancy design
› High reliability and stability
› User-friendly operation and easy maintenance
› Soft start and soft shutdown protection
› Automatic fault self-diagnosis
› Disturbance-free on/off loop switching
The primary purpose of copper electrowinning (EW), which produces electrowon copper, is to efficiently and economically extract high-purity metallic copper from a pregnant leach solution derived from low-grade ores or secondary materials, which are not amenable to conventional smelting methods. It is the crucial final step in the hydrometallurgical processing chain.

Air Cooling:Heat dissipation fan + air duct + comb heat sink

Water Cooling:Built-in water circulation line
| Type of characteristics | Parameters | Technical Requirements |
| Input characteristics | Rated input voltage | Three-phase, AC220V, 60Hz, Complies with National Power Quality Standards. |
| Rated input current | AC 215A | |
| Rated input power | 81.9KVA | |
| Rated input power factor | COSΦ≥0.95 | |
| Output characteristics | Output voltage | DC 0~28V adjustment |
| Output current | DC 0~2500A adjustment | |
| Precision of steady current | ≤1% | |
| Precision of stable voltage | ≤1% | |
| Displayed precision | 1A,0.1V | |
| Current ripple coefficient | ≤1%(I≥50%Id) | |
| Rated output power | ≥90% | |
| Insulation characteristic | Insulation resistance | Input – Output: ≥5MΩ |
| Input – Cabinet: ≥5MΩ | ||
| Output – Cabinet: ≥5MΩ | ||
| Protective characteristics | With self-protection function under non-normal cases such as over-voltage, over-current, overload, short circuit and overheating | |
| Other characteristics | Noise | ≤60dB |
| Running state | Continuous full load run of product | |
| Load level | Level II | |
| Insulation grade of the transformer | Grade B | |
| Weight | 380kg | |
| *OK to Customized according to requirements* | ||
| Model | Input | Output | Dimension (mm)/L*W*H |
| TBSB-400A/12V | Three Phase AC380V±10% 50HZ | 12V/400A | 500*343*183 |
| TBSB-500A/12V | Three Phase AC380V±10% 50HZ | 12V/500A | 460*310*185 |
| TBSB-600A/12V | Three Phase AC380V±10% 50HZ | 12V/600A | 500*343*183 |
| TBSB-800A/5V | Three Phase AC380V±10% 50HZ | 5V/800A | 460*310*185 |
| TBSB-800A/6V | Three Phase AC380V±10% 50HZ | 6V/800A | 460*310*185 |
| TBSB-800A/12V | Three Phase AC380V±10% 50HZ | 12V/800A | 780*350*180 |
| TBSB-1000A/12V | Three Phase AC380V±10% 50HZ | 12V/1000A | 644*330*192 |
| TBSB-1000A/16V | Three Phase AC380V±10% 50HZ | 16V/1000A | 620*310*180 |
| TBSB-1000A/25V | Three Phase AC380V±10% 50HZ | 25V/1000A | 700*352*185 |
| TBSB-1000A/36V | Three Phase AC380V±10% 50HZ | 36V/1000A | 700*352*185 |
| TBSB-1000A/38V | Three Phase AC380V±10% 50HZ | 38V/1000A | 780*365*187 |
| TBSB-1200A/5V | Three Phase AC380V±10% 50HZ | 5V/1200A | 580*342*185 |
| TBSB-2000A/5V | Three Phase AC380V±10% 50HZ | 5V/2000A | 780*310*180 |
| TBSB-1800A/12V | Three Phase AC380V±10% 50HZ | 12V/1800A | 780*310*180 |
| TBSB-2500A/12V | Three Phase AC380V±10% 50HZ | 12V/2500A | 1024*340*180 |
| TBSB-3000A/12V | Three Phase AC380V±10% 50HZ | 12V/3000A | 700*352*185 |
| TBSB-3000A/15V | Three Phase AC380V±10% 50HZ | 15V/3000A | 824*340*180 |
| TBSB-4000A/10V | Three Phase AC380V±10% 60HZ | 10V/4000A | 700*362*185 |
| TBSB-4000A/15V | Three Phase AC380V±10% 50HZ | 15V/4000A | 824*340*180 |
| TBSB-5000A/7V | Three Phase AC380V±10% 50HZ | 7V/5000A | 700*362*185 |
| TBSB-5000A/15V | Three Phase AC380V±10% 50HZ | 15V/5000A | 824*340*180 |
If you require electrowinning rectifiers with different specifications, we can custom-design them to meet your requirements. Please contact us for more information.
Looking for a factory price on a 28V 2500A high efficiency electrolysis rectifier for copper electrowinning and refining? 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.
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