Precious Metal Plating – 12V 300A Industrial IGBT Rectifier by GAOHUI

Designed for the unforgiving pace of a modern precious metal plating line, this 12V 300A DC output is your cornerstone for repeatable, high-yield deposition. Whether you are running a continuous gold strip line or a high-volume rhodium tank, this rectifier eliminates the guesswork. As a leading IGBT rectifier manufacturer, we engineer this unit to suppress ripple below 1% – critical for mirror-finish surfaces on jewelry and connectors. Skip the outdated SCR hum; this is precision electricity, optimized to work as both a laboratory precision rectifier for R&D runs and a heavy-duty production tool.
Part 1 Key Features & Engineering Highlights
– Industrial high frequency rectifier factory build quality using 100% copper windings and double-sided PCB layouts. This eliminates hot spots under continuous full-load conditions.
– Proprietary DSP control architecture for sub-millisecond transient response. Dips in your AC line voltage caused by other factory equipment will not affect your plating thickness.
– Low-Ripple Power Bus: Output ripple 90% at rated load. Significantly lower energy waste compared to traditional silicon-controlled rectifiers, reducing operating costs.
Part 2 Technical Specifications Table
| Specification | Parameter | Unit / Notes |
| :— | :— | :— |
| Model | GAOHUI-GR-12300 | |
| Rated Output Voltage | 0 – 12 | VDC |
| Rated Output Current | 0 – 300 | ADC |
| Input Voltage / Phase | AC 380V ± 10% / 3 Phase | 60Hz / 50Hz |
| Control Mode | Constant Current / Constant Voltage | Selectable |
| Ripple Factor | 90% | Full load |
| Protection Class | IP 54 | Control panel / IP 20 power bay |
Part 3 Advanced Built-in Protection Systems
Running a heavy-duty DC power supply price does not count if downtime kills your cycle. Our GAOHUI engine includes a triple-layer electronic fast-blow fuse less than 100 microseconds, preventing anode-burn damage. The system detects over-temperature, output short circuit, phase loss, and input under-voltage automatically. If the plating solution foam shorts your bus bars, the unit immediately cuts the arc and signals a fault relay. This saves your workpiece and precious metal salts.
Part 4 Target Industrial Applications
– Precious Metal Plating: Gold (Au), Silver (Ag), Platinum (Pt), Rhodium (Rh) on jewelry, connectors, and semi-conductor leads.
– Decorative Finishing: Mirror-bright surfaces for eyewear frames, watches, and luxury hardware where optical clarity is mandatory.
– Selective Brush Plating: Use with our passive manifold system for localized touch-up on molds or hydraulic components requiring precise repair. Pen/brush repair for gold/silver deposition without masking entire parts.
– Process Electroforming: Deposit of high-stress metal layers for complex geometries like medical stents or micro-components.
Part 5 Customization and Tailored Engineering Services
We understand that one rectifier does not fit all. Your plating line demands a custom current voltage rectifier that can shape pulses or log production data. As a specialized IGBT rectifier manufacturer, we offer full factory customization across the entire power band: 1V-1000V & 1A-100,000A (Input: AC / Output: DC). Our engineering team can integrate directly onto your existing MES infrastructure.
– Process Modules: Multi-Stage Profile Control (64 steps), Ampere-Minute Integrator (real-time deposit tracking), and a built-in Process Timer with audible alarm.
– Communication & Control: RS485 Modbus RTU, Ethernet, or 4-20mA analog link for PLC integration. Full remote monitoring included.
– Pulse & Reverse Capability: 1-3000Hz adjustable Pulse & Automatic Reverse Polarity. High peak current for enhanced throwing power on complex 3D parts.
– I/O Options: Soft-Start function to prevent current surge, plus a remote start/stop for safety automation doors.