STEPPERONLINE 3PCS 45Ncm Nema 17 Stepper Motor 2A 4-wire 1m Cable for DIY 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 45Ncm(63.7oz.in). It's ideal for the RepRap Prusa, Mendel 90, Rostock and similar 3D printers, as well as CNC and robotics applications. The motor is supplied with a 1 metre long power cable with a 4-pin Harwin female connector already fitted - ready to plug and print! 100% brand new of "STEPPERONLINE", and ROHS and CE certificated. Electrical Specification: * Manufacturer Part Number: 17HS16-2004S * Motor Type: Bipolar Stepper * Step Angle: 1.8 deg. * Holding Torque: 45Ncm(63.7oz.in) * Rated Current/phase: 2A * Phase Resistance: 1.1ohms * Inductance: 2.6mH+/-20%(1KHz) Physical Specification: * Frame Size: 42 x 42mm * Body Length: 40mm * Shaft Diameter: 5mm * Shaft Length: 23mm * D-cut Length: 21mm * Number of Leads: 4 * Lead Length: 1000mm * Weight: 310g Connection: Black(A+), Green(A-), Red(B+), Blue(B-) Warning: * As a stepper motor, it should connect to a constant current or chopper driver. Connecting the motor directly to a power supply will destroy the motor. * To choose a driver, please make sure the driver's output current not higher than motor rated current, and voltage not higher than 36V. * Please take care of four wires coils order when you connecting to driver, or it will damage your driver.