This high torque and precision bipolar Nema 17 stepper motor with 0.9° step angle (400 steps/revolution). Each phase draws current 2A, allowing for a holding torque of 46Ncm(65.1oz.in).

Electrical Specification

* Manufacturer Part Number: 17HM19-2004S
* Motor Type: Bipolar Stepper
* Step Angle: 0.9°
* Holding Torque: 46Ncm(65.1oz.in)
* Rated Current/phase: 2.0A
* Phase Resistance: 1.45ohms
* Recommended Voltage: 12-24V
* Inductance : 4.0mH±20%(1KHz)

Physical Specification
* Frame Size: 42 x 42mm
* Body Length: 48mm
* Shaft Diameter: Φ5mm
* Shaft Length: 24mm
* D-cut Length: 15mm
* Number of Leads: 4
* Lead Length: 500mm
* Weight : 370g

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.