DescriptionThis item is a stepper motor, with 4 pin cable for convenient use, suitable for 17HD34008-22B mixing type stepping motor. Necessary replacement for 3D printer.Features- Brand: LEORX.- Swerve: The order of power is AB-BC-CD-DA, seen from the shaft end to CW- Current Rating (single-phase): 1.3A DC- Nominal voltage: 2.4V- Step Angle: 1.8 - Insulation grade: B-Class- 1m wire to connect an electrical machine, on the other hand has several optional connections; To prevent shrink tubing effect that the wire gets tangled up D-shaped shaft with 22mm, electric machine with high torque and high speed, low noise.- Suitable for mixing 17HD40005-22B stepper motor.- Exterior: Shown as the pictures.- Drive mode: Hack wave constant current drive.- Exciting mode: two-phase 4-wire. It is available for the rotation of the forward and reverse.Specifications- Ambient temperature: -20 ~ 50 - RH: 90% max- Mounting position: shaft horizontal or vertical installation- DC winding resistance (25 ): 1.6 Omega; plusmn; 10%- Wnding Inductance: 3.2mH plusmn; 20%- Cogging torque: 18mN.m REF- Holding torque: ge; 360mN.m (I = 1.3A)- Max Blank switching frequency: ge; 1400pps- Max Idle Frequenc :. ge; 8000pps- Temperature rise: lt;80 K- Step angle accuracy: 1.8 plusmn; 5%- Rotational inertia: 57g.cm 2- Motor Weight: 0.28 kg / pcs REF- Insulation resistance: Cold insulation resistance should be more than 100 mOhm (between the motor stator and terminal)- Dielectric strength: The space between the motor stator and terminal should withstand able AC600V / 1s without degradation. Leakage current of less than 1 mA.- Size (L * W * H): ca. 42 * 42 * 40mm / 1.65 * 1.65 * 1.57 inch