IDP-300 High Precision Welding Power Supply
IDP-300 is a high-precision welding power supply with 6 control modes, 5 working frequencies (1KHz/2KHZ/3KHZ/4KHZ/5KHZ), and the industry's first servomotor control function, which realizes precise and adjustable welding pressure in multiple stages, and adjustable reset distance of the weld head, which can solve the instantaneous impact of the weld head coming down from the cylinder mode.

Why Choose IDP-300?
The IDP-300 is more than a traditional electronics spot welder power supply. It integrates six control modes, five selectable working frequencies (1KHz, 2KHz, 3KHz, 4KHz, and 5KHz), and the industry's first servomotor-controlled welding pressure system. This unique design allows manufacturers to achieve highly consistent weld quality while reducing defects and improving production efficiency.
As one of the most advanced resistance welding supplies available today, the IDP-300 is suitable for welding batteries, electronic components, copper terminals, wire harnesses, sensors, connectors, and precision metal assemblies.
Advanced Resistance Spot Welding Controller
The core of the IDP-300 is its intelligent resistance spot welding controller. The system provides six different welding control modes, allowing users to optimize parameters for various materials and thicknesses.
Key advantages include:
- Six intelligent welding control modes
- Five selectable inverter frequencies
- Precise energy output control
- Fast response and stable current regulation
- Excellent welding repeatability
Compared with conventional welding systems, the IDP-300 offers greater flexibility and improved weld consistency, making it an ideal resistance spot welding controller for automated production lines.
Industry-Leading Servo Pressure Control
A major innovation of the IDP-300 is its integrated servo motor pressure control technology. Unlike pneumatic cylinders, the servo system provides accurate and programmable welding force throughout the welding process.
Benefits include:
- Multi-stage adjustable welding pressure
- Precise force control during welding
- Adjustable weld head return distance
- Reduced impact force when the welding head descends
- Improved weld appearance and strength
This breakthrough feature makes the IDP-300 a preferred solution for manufacturers seeking high-end resistance welding supplies for precision applications.
Integrated Welding Monitor Function
Quality assurance is critical in resistance welding. The IDP-300 incorporates an advanced HD-400B-all-rounds-comprehensive-welding-monitor.html">welding monitor system that continuously tracks key welding parameters.
The built-in welding monitor provides:
- Real-time welding data collection
- Process monitoring and analysis
- Welding parameter recording
- Production traceability
- Rapid identification of abnormal weld conditions
By utilizing the integrated welding monitor, manufacturers can significantly reduce defective products and maintain consistent production quality.

1. Support multi-stage welding combination cycle pulse discharge.
2. Exquisite man-machine touch interface, comes with oscilloscope and monitor function, can display current, voltage, power, resistance and other 8 real waveforms and corresponding welding data.
3. Support pressure displacement, built-in pressure monitoring, pressure trigger, displacement monitoring, displacement depth of fusion interrupt function.
4. Built-in database function, can store about 5 million welding joints of current, voltage, power, resistance, pressure, displacement and other values, and support U disk export.
5. Monitor the average RMS value and instantaneous value of current, voltage and power to control the welding quality.

| Model | IDP-300 |
| Output Voltage | 3 phase 380V |
| Rated Power | 90KVA |
| Maximum Output Current | 1500A |
| Inverter Frequency | 1KHZ - 5KHZ |
| Duty Cycle | 7% |
| Control Mode | Constant Pulse Width/Constant Peak Primary/Constant Secondary
Current/Constant Secondary Voltage/Constant Power/Hybrid Control |
| Cooling Mode | Water Cooling |
| Communication Mode | RS-232/RS-485/Ethernet, etc. |
| No-load Voltage | 9.8V |
| Features | Transformer and controller separated |
| Welding Time Setting | Pre-pressure Time | 0-9999ms |
| Pressurization Time | 0-9999ms |
| Slow Rise 1 Time | 0-9999cyc |
| Welding 1 Time | 0-9999cyc |
| Slow Down 1 Time | 0-9999cyc |
| Cooldown | 0-9999cyc |
| Slow Rise 2 Time | 0-9999cyc |
| Welding 2 Time | 0-9999cyc |
| Slow Down 2 Time | 0-9999cyc |
| Slow Rise 3 Time | 0-9999cyc |
| Welding 3 Time | 0-9999cyc |
| Slow Down 3 Time | 0-9999cyc |
| Holding Time | 0-9999ms |
| Rest Period | 0-9999ms |
| Finish Time | 0-9999ms |
| Number Of Cycles | 0-9 |
| Setting Range For Secondary Current | 0.40~20.00kA |
| Power Setting Range | 0.2-60KW |
