• 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!

• 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