2Pcs 100A Spot Welder Controller with LCD Display, Adjustable Current and Precision Time Control Type A+B

Precision Welding Control Module with STM Microcontroller Engineered for accuracy and reliability, this performance welding control module is designed to deliver precise control in demanding applications. Its advanced STM microcontroller ensures stable operation and accurate timing, making it an ideal choice for professional welding setups. Key Features and Benefits Advanced STM Microcontroller Control Provides precision with accurate zero crossing detection trigger design, ensuring stable and consistent welding performance. Reliable Electrical Isolation Optocoupler technology separates strong current from control signals for enhanced safety, reduced interference, and increased durability. Compatibility Fully compatible with thyristors rated up to 100A, offering versatility for a wide range of welding systems. Adjustable Settings for Results Equipped with dedicated knobs for time and current adjustment. Rotate left to decrease values, right to increase. Allows finetuning to match specific material and joint requirements. Clear LCD Digital Display Displays both current set time and current settings for quick and easy monitoring. Time range: 1–50 cycles (20 milliseconds per cycle) Current range: 30–99% PowerOff Memory Function Automatically saves welding parameters in case of power loss or shutdown. When restarted, it resumes your previous settings without the need to recalibrate. Practical Applications 1. Spot Welding in Manufacturing for use in smallscale or midsize production facilities where consistent, repeatable welds are critical for product quality. 2. Automotive Body Ideal for sheet metal welding in automotive shops, enabling accurate weld timing and current control for precision work. 3. Electronics Assembly Offers fine control for welding metal parts in electronics manufacturing, ensuring components are joined securely without excess heat damage. Specifications Control System: STM microcontroller with zero crossing detection trigger Electrical Isolation: Optocouplers for separating strong and weak current signals Thyristor Compatibility: Up to 100A Adjustable Parameters: Time and current via rotary knobs Display: LCD digital readout for time and current settings Time Adjustment Range: 1–50 cycles (20 ms per cycle) Current Adjustment Range: 30–99% Power Memory Function: Automatic retention of lastused settings after shutdown or power loss This control module offers precision, reliability, and flexibility, making it a trusted choice for professional welding applications requiring stable performance and easy adjustment.