Key Features
– Ultra-high current output of 4000A at 12V nominal, engineered for continuous-duty industrial electrolysis processes including rust removal, metal refining, and electrochemical machining.
– Advanced IGBT switching technology with Germany-designed cooling system ensures stable, low-ripple DC output and >92% efficiency, reducing energy costs and heat generation.
– Digital voltage and current regulation with 0.1% accuracy, enabling precise control for delicate electrolysis tasks on cast iron, steel, and other metals without damage.
– Rugged industrial construction with IP54 protection, fan-cooled heat sinks, and corrosion-resistant enclosures for harsh workshop or production environments.
– Built-in amp meter and voltmeter for real-time monitoring, allowing operators to adjust electrodes and maintain optimal current density for consistent results.
Technical Specifications
| Model Number | GH-12V-4000A-IGBT |
| Output Voltage Range | 0-12V (adjustable) |
| Output Current Range | 0-4000A (continuous) |
| Input Voltage | 380V AC, 3-phase, 50/60Hz |
| Ripple & Noise | < 1% RMS at full load |
| Regulation Mode | Constant Voltage / Constant Current with automatic crossover |
| Cooling System | Advanced Germany technology liquid-cooled IGBT modules with forced air heat exchange |
| Operating Temperature | -10°C to +50°C |
| Protection Class | IP54 |
| Dimensions (WxDxH) | 800 x 600 x 1200 mm |
| Weight | Approx. 180 kg |
Built-in Protection Systems
– Overvoltage protection (OVP) with automatic shutdown and alarm
– Overcurrent protection (OCP) with fast-acting electronic trip
– Over-temperature protection (OTP) with thermal sensor and fan speed control
– Short-circuit protection (SCP) with self-recovery after fault removal
– Input under/over voltage protection and phase loss detection
– Soft-start circuit to prevent inrush current and protect connected equipment
Main Applications
– Industrial electrolytic rust removal and metal cleaning (cast iron, steel, aluminum)
– Electrochemical machining and deburring
– Metal refining and electroplating
– Anodizing and surface treatment processes
– Hydrogen generation and water electrolysis
– Battery formation and testing in high-current environments
Customization and Tailored Engineering Services
GAOHUI offers full customization for 1V-1000V, 1A-100,000A, AC-DC only. Available custom functions include Digital Process Timer, Multi-Stage Programmable Profile Control, Ampere-Minute Integrator, Automatic Reverse Polarity, and Soft-Start Ramp-Up. Local/Remote Control via Push-Button or HMI Touch Screen. Communication Interfaces include RS485 Modbus RTU, Ethernet, and 4-20mA. Pulse Functions with 1-100% duty cycle and 1-3000Hz frequency adjustable. Our factory can tailor the system to your specific electrolysis tank size, electrode configuration, and production throughput requirements.






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