Quick Ship Product Center › Stepper Motor Driver - DS-OLS4-FPD Image 1 of 1 Stepper Motor Driver - DS-OLS4-FPD $137.00 Power Supply: 20 - 50 VDCCurrent: 1.0 - 4.2 AMicrostepping: Up to 25,600Communication: STP/DIR Quantity: Add To Cart Added! Power Supply: 20 - 50 VDCCurrent: 1.0 - 4.2 AMicrostepping: Up to 25,600Communication: STP/DIR