Professional NY-D01 Controller Welding Control Board DIY 40/100A for Resistance Welding -40/100A _x000D_ Features: _x000D_ _x000D_ OOTDTY _x000D_ Adopting STM8 industrial microcontroller control center_x000D_ Strong and weak currents are isolated through optocouplers for safe operation. The power cord and foot cord use screwless quick connection terminals, making them more convenient and reliable._x000D_ Highprecision single Potentiometer is used for input time and current to ensure reliable and convenient inputThe onboard power supply, foot, triggerindicator, and working are clearly visible._x000D_ Design a reliable zerocrossing detection circuit to ensure the accuracy of thyristor phase shifting._x000D_ Compatible with100A SCR. The digital controlinterfacecan display the current time and settings._x000D_ _x000D_ _x000D_ Specifications: _x000D_ Welding Controller Board Sizeapprox 8x10.4x6cm/3.15x4.09x2.26in_x000D_ current 40A / 100A_x000D_ Time input 1-50, unit cycle (1 cycle is 20 milliseconds)_x000D_ _x000D_ _x000D_ Package Includes: _x000D_ 1PC Welding Controller Board_x000D_ _x000D_ _x000D_ Note: _x000D_ Please allow 1-2cm errors due to manual measurement,please make sure that you do not mind before you order._x000D_ Due to the difference between different monitors, the picture may not reflect the actual color of the item._x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_