High Torque Stepper Motor Nema 23 Bipolar 4.2A 425oz-in 4-lead with 11.81" Cable for Extruder 3D Printer Milling CNC Machinery
Electrical Specification:

* Manufacturer Part Number: 23HE45-4204S
* Motor Type: Bipolar Stepper
* Step Angle: 1.8 deg.
* Holding Torque: 425oz.in( 3Nm)
* Rated Current/phase: 4.2A
* Phase Resistance: 0.9ohms
* Inductance: 3.8mH+/-20%(1KHz)

Physical Specification:

* Frame Size: 2.24 x 2.24 inches(57 x 57 mm)
* Body Length: 4.45 inches(113 mm)
* Shaft Diameter: Φ0.39 inch(Φ10 mm)
* Shaft Length: 0.94 inch(24 mm)
* Number of Leads: 4
* Lead Length: 11.81 inches(300 mm)
* Weight: 63.49oz(1.8 kg)

Connection:

Black(A+), Green(A-), Red(B+), Blue(B-)

Warning:

Connecting the motor directly to a power supply can destroy the motor.

Make sure the motor connect to a constant current or chopper drive controller before test