STEPPERONLINE 3PCS Nema 17 Stepper Motor 84oz.in 2A 48mm 4-Wire 1m Cable for DIY CNC 3D Printer CNC Robot

This is high torque Nema 17 stepper motor with 1.8 deg. step angle (200 steps/revolution). Each phase draws 2A, allowing for a holding torque of 59Ncm(83.6oz.in). It's very good choice for 3D printer. Electrical Specification: * Manufacturer Part Number: 17HS19-2004S * Motor Type: Bipolar Stepper * Step Angle: 1.8 deg. * Holding Torque: 59Ncm(83.6oz.in) * Rated Current/phase: 2.0A * Phase Resistance: 1.4ohms * Inductance: 3.0mH+/-20%(1KHz) Physical Specification: * Frame Size: 1.65" x 1.65" (42 x 42mm) * Body Length: 1.89" (48mm) * Shaft Diameter: 0.2" (5mm) * Shaft Length: 0.94" (24mm) * D-cut Length: 0.59" (15mm? * Number of Leads: 4 * Lead Length: 39.37" (1000mm) with connector * Weight: 390g 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.