Tin Plating – 12V 2500A GAOHUI Industrial IGBT Rectifier

This is not a hobbyist battery charger. The GAOHUI 12V 2500A is a purpose-built, industrial high frequency rectifier factory direct solution for continuous strip tinning lines. It eliminates the dangerous guesswork of using bulbs and car batteries for current control. Engineered for the heavy mineral aggression of matte tin processes, this unit delivers pure DC with ripple under 3%, ensuring solderable deposits and zero burnt edges on high-speed busbars.
Part 1 Key Features & Engineering Highlights
The core of this system is a 30KW IGBT module. Unlike thyristor (SCR) units that drift with temperature, this architecture offers 0.5% stabilization. This precision is critical for achieving consistent matte tin thickness across ferrous and copper substrates. The built-in soft-start prevents current inrush, protecting your PCB busbar plating line from mechanical shock. As a trusted IGBT rectifier manufacturer, we enforce a 24-hour burn-in test at full 2500A load before shipment. Operational efficiency sits above 90%, drastically reducing the cost of wasted heat in a production floor environment.
Part 2 Technical Specifications Table
Parameter | Specification
— | —
Input Voltage | AC 380V / 415V 3-Phase (50/60Hz)
Output Voltage | DC 0-12V (Continuous Adjustable)
Output Current | DC 0-2500A (Continuous Adjustable)
Rated Power | 30 KW
Control Mode | RS485 Modbus / Analog 4-20mA / Local Panel
Ripple | < 3% RMS (Full Load)
Protection Class | Over-Voltage / Over-Current / Over-Temp / Short Circuit
Cooling Style | Forced Air ( Industrial Grade)
Part 3 Advanced Built-in Protection Systems
Aggressive acidic tin baths destroy inferior electronics. This unit includes a sealed control board with conformal coating to resist acid mist. Full IGBT protection includes desaturation detection and thermal monitoring. An automatic reverse polarity feature is available as a factory option for specific strip cleaning cycles. The heavy-duty DC power supply price reflects the inclusion of a high-grade epoxy insulation transformer, not the cheap automotive wire found in experimental kits.
Part 4 Target Industrial Applications
* Continuous Strip Tinning: Maintains constant voltage regulation as line speed varies.
* Matte Tin Process: Delivers fine grain deposit structure without brightener dependency.
* PCB Busbar Plating: Offers precise ampere-time integration for thickness uniformity.
* Plating barrel operations with specific 12V 2500A load demands.
Part 5 Customization and Tailored Engineering Services
GAOHUI operates as a dedicated industrial high frequency rectifier factory offering extensive customization. We can re-engineer this 12V 2500A unit for specific busbar configurations. We offer a custom current voltage rectifier scope from 1V to 1000V and 1A to 100,000A (Full AC input, DC output only). Optional integrated modules include:
* Process Timer with end-of-cycle alarm.
* Multi-Stage Profile Control for ramping current for delicate substrates.
* Ampere-Minute Integrator coulometer for batch tracking.
* Automatic Reverse Polarity for periodic current reversal.
* Pulse Functions adjustable from 1Hz to 3000Hz.
* Communications: RS485 Modbus RTU, Ethernet/IP ready for smart factory integration.