High Precision 3x40/100A Spot Welding Time Current Controller Board | STM8 Microcontroller | Reliable Input | Convenient Operation | 110V 220V Compatible | Welder Access

Description: - Use of STM8 industrial microcontroller control center, strong and weak electricity through optocoupler isolation, safe operation. - The power line and the foot switch line adopts the screw free fast connection terminal, more convenient and reliable. - Input time, current using high-precision single potentiometer, to ensure reliable input, convenient - On-board power supply, state, foot, indicator, working state clearly visible. - The design of reliable zero crossing detection circuit to ensure that the SCR phase accuracy.Specification: - Material: Plastic+Metal - The controller is compatible with 40A scr. - Digital control interface, you can display the current time and current settings. - Time input 1-50, unit cycle (1 cycles is 20ms)Package Includes:1 Piece Spot Welding Machine Control Board(3 Pack)Note:The color may be different for different display, pls understandPls allow 1-3mm error due to hand tste, thank you

• STM8 industrial microcontroller ensures precise time and current control, providing safe and reliable operation
• Screw-free fast connection terminals for easy power and foot switch line setup, saving time and increasing convenience
• Digital control interface allows for accurate time and current settings, making it for spot welding applications
• Compatible with 40A SCR for efficient spot welding performance, suitable for various welding projects
• On-board power supply and indicators provide clear visibility of the working state, ensuring smooth operation and accurate results