Catalog > Internet of Things (IOT) Related Products > More Platforms Nema 17 Stepper Motor Nema 17 Stepper Motor HKD STEPPER MOTOR 40MM NEMA 17 Nema 17 Stepper Motor 40mm Body Length, 12-24V DC, 1.68A/Phase, 1.8 Degree Step Angle (200 Steps Per Revolution), Model 42BYGH40-01 178.43 ZAR inc for 1 Each 38 in Stock Add Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Features This is the most popular model in 3D printer market, with 1.8°step angle (200 steps/revolution). Each phase draws 1.68A, allowing for a holding torque of 45Ncm(64oz.in). This stepper motor is ideal for the RepRap Prusa, Mendel 90, Rostock and similar 3D printers, as well as CNC and robotics applications. The motors are supplied with a 1 metre long power cable with a 4-pin Molex female connector already fitted - ready to plug and print! Specifications Motor Type: Bipolar Stepper Step Angle: 1.8° Holding Torque: 45Ncm(64oz.in) Rated Current/phase: 1.68A Phase Resistance: 1.65ohms Recommended Voltage: 12-24V Inductance : 2.8mH+/-20%(1KHz)Connection: Black(A+), Green(A-), Red(B+), Blue(B-) Warning: Make sure the motor connect to a constant current or chopper drive controller before you test motor. Connecting the motor directly to a power supply will destroy the motor. Package includes: 1 x 42mm Stepper motor Nema17 for 3D Printer 1 x 4wire cable lead