4x40/100A Spot Welding Time Current Controller Board 100A | Digital Display | Strong STM8 Controller | Screw-Free Terminal | Zero Crossing Detection

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(4 Pack)Note:The color may be different for different display, pls understandPls allow 1-3mm error due to hand tste, thank you

• Achieve precise spot welding with this 4x40/100A controller board featuring digital control interface for current and time settings
• Utilizes STM8 industrial microcontroller for robust control, optocoupler isolation for safe operation, and reliable screw-free terminal connections
• Incorporates zero crossing detection circuit for accurate phase, on-board power supply and indicator lights for clear status monitoring
• Compatible with 40A SCR, this control board offers easy input adjustment with high-precision potentiometer, for various spot welding projects
• Package includes 1 piece of spot welding machine control board, suitable for AC 110V/220V applications, transforming welding processes with its efficient control capabilities