Nema 23 CNC Stepping Stepper Motor

This bipolar Nema 23 stepper  motor with 1.8 deg. step angle (200 steps/revolution). 

Each phase draws 2.8A, allowing for a holding torque of 1.26Nm(178.5oz.in). 

Specification :

Electrical  Specification: 

* Manufacturer Part Number: JK57HS56-2804

* Motor Type: Bipolar Stepper 

* Step Angle: 1.8 deg. 

* Holding Torque: 1.26Nm(178.5oz.in) 

* Rated Current/phase: 2.8A 

* Phase Resistance: 0.9ohms 

* Inductance: 2.5mH+/-20%(1KHz) 

Physical Specification: 

* Frame Size: 57 x 57mm 

* Body Length: 56mm 

* Shaft Diameter: 6.35mm 

* Shaft Length: 20.6mm 

* Number of Leads: 4 

* Lead Length: 300mm 

* Weight: 700g 

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.