Key Features Adjustable current: 1.0–4.2 A Microstepping via DIP switches Smooth and quiet operation PWM constant current drive Compatible with most stepper motors Applications CNC machines 3D printers laser and engraving systems automation and robotics Technical Specifications Supply voltage: 24–50 V DC (recommended ~36 V) Output current: 1.0–4.2 A (adjustable) Current step: 0.5 A Drive mode: PWM constant current Insulation resistance: > 500 MΩ Insulation strength: 500 V / min Cooling: natural cooling Operating temperature: 0… 50 °C Humidity: < 80% RH (no condensation) Dimensions: approx. 118 × 75.5 × 34 mm Important Notes Requires external STEP/DIR control signals Use adequate power supply (≥200 VA recommended) Avoid dusty, humid, or corrosive environments
