LEORX Nema 17 2 Phase 4-Wire 1.5A 40mm 1.8&deg; Stepper Motor for 3D Printer Swerve: The order of power is AB-BC-CD-DA, seen from the shaft end to CW. Current Rating (single-phase): 1.3A. 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.