INS50 AC 5-Phase NanoDrive™ Stepper Motor Driver Characteristics Nano Resolution up to 500,000 Steps-a-Revolution 16 Different Resolution Modes from 1 Full Step to 1/1000th Step 100~120Vac or 200~220Vac Single Phase Power Input Opto-isolated inputs and outputs Achieves and maintains ultra high torque at ultra high speed Patented Torque Chip provides effective heat dissipation