Description:100% Brand new and high quality1m wire、 one connect electrical machine、 on the other end has variety optional ports; heat shrink tubing effect to prevent the wire tangled?upSuitable for 17HD34008-22B mixing type stepping motorOutside view: Show as the pictureDrive mode: Chopping wave constant current driveExciting mode: Two-phase 4-wire、 it is available for rotation of forward and reverseTurn to: The order of power is AB-BC-CD-DA、 from shaft end see C.WRated current (one-phase): 1.5A DCRated voltage: 3.45VStepping angle: 1.8¡ãSpecifics:Operating Conditions: Environment Temperature: -20~50¡æ; RH: 90%MAX; Mounting Position: Axis horizontal or vertical installationDirect-current winding resistance (25¡æ): 2.3¦¸¡À10%Wnding inductance: 3mH¡À20%Cogging torque: 12mN.m REF.Holding torque: ¡Ý300mN.m£¨I=1.5A£©Max. no-load starting frequency: ¡Ý1500ppsMax. no-load running Frequency: ¡Ý8000pps Temperature rise: