Product Description Stepping accuracy...5% Temperature rise...80 Max Ambient temperature...-20 C-+ 50 C Insulation resistance...100Mohm Min 500VDC Dielectric strength...500V AC 1minute Allowable radial load...0.06mm Max ( 450g load) Allowable thrust load...0.08mm Max ( 450g load) Product Specification/ Models DV397-H step angle: 1.2deg length: 69mm shaft diameter: 12mm current: 1.75A holding torque: 2N.m Power supply: 110VAC 2A Matched driver: DVS3722 Net weight: 2Kg DV397 step angle: 1.2deg length: 69mm shaft diameter: 12mm current: 5.8A holding torque: 2N.m Power supply: 40VDC 5A Matched driver: DVS368 Net weight: 2Kg DV3910-H step angle: 1.2deg length: 97mm shaft diameter: 12mm current: 2A holding torque: 4N.m Power supply: 110VAC 2.5A Matched driver: DVS3722 Net weight: 2.95Kg DV3910 step angle: 1.2deg length: 97mm shaft diameter: 12mm current: 5.8A holding torque: 4N.m Power supply: 40VDC 5A Matched driver: DVS368 Net weight: 2.95Kg DV3913-H step angle: 1.2deg length: 125mm shaft diameter: 12mm current: 2.25A holding torque: 6N.m Power supply: 110VAC 2.5A Matched driver: DVS3722 Net weight: 4.05Kg DV3913 step angle: 1.2deg length: 125mm shaft diameter: 12mm current: 5.8A holding torque: 6N.m Power supply: 40VDC 5A Matched driver: DVS368 Net weight: 4.05Kg