Driver DM 860 Spesification : 1. input voltage 24-80VDC 2. Input current < 6A Output current 2.8A~7.8A 3. Consumption:80W; Internal Insurance:10A 4. Working Temperature -10~45 c Stocking temperature -40?~70c 5. Suitable for a wide range of stepping motors, from NEMA size 17 to 42 6. Anti-Resonance provides optimal torque and nulls mid-range