STEPPERONLINE 0.9deg Nema 17 Stepper Motor Bipolar 0.9A 36Ncm/50oz.in 42x42x39mm 4-wires DIY

This high precision bipolar Nema 17 stepper motor with 0.9° step angle (400 steps/revolution). Each phase draws current 0.9A, allowing for a holding torque of 36Ncm(50oz.in).

Electrical Specification

* Manufacturer Part Number: 17HM15-0904S
* Motor Type: Bipolar Stepper
* Step Angle: 0.9°
* Holding Torque: 36Ncm(50oz.in)
* Rated Current/phase: 0.9A
* Phase Resistance: 6.0ohms
* Recommended Voltage: 12-24V
* Inductance : 12.0mH±20%(1KHz)

Physical Specification
* Frame Size: 42 x 42mm
* Body Length: 40mm
* Shaft Diameter: ?5mm
* Shaft Length: 22mm
* D-cut Length: 15mm
* Number of Leads: 4
* Lead Length: 300mm
* Weight : 280g

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.