High Torque Nema 23 CNC Stepper Motor 114mm 425oz.in/3Nm CNC Mill Lathe Router

This is the strongest model for Nema 23 stepper motor, it with 1.8 deg. step angle (200 steps/revolution). Each phase draws 4.2A, allowing for a holding torque of 3.0Nm(425oz.in). Electrical Specification: * Manufacturer Part Number: 23HS45-4204S * Motor Type: Bipolar Stepper * Step Angle: 1.8 deg. * Holding Torque: 3.0Nm(425oz.in) * Rated Current/phase: 4.2A * Phase Resistance: 0.9ohms * Inductance: 3.8mH+/-20%(1KHz) Physical Specification: * Frame Size: 57 x 57mm * Body Length: 113mm * Shaft Diameter: 10mm * Shaft Length: 24mm * D-cut Length: 20mm * Number of Leads: 4 * Lead Length: 400mm * Weight: 1.8kg 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.