STEPPERONLINE Nema 17 Stepper Motor 1.5A 63.74oz.in  39mm Body with 1m Cable and Connector for DIY CNC/ 3D Printer

This bipolar Nema 17 stepper motor with step angle 1.8deg and size 42x42x39mm. It has 4 wires, each phase draws current 1.5A, with holding torque 45Ncm (63.74oz.in). Electrical Specification *Manufacturer Part Number: 17HS15-1504S-X1 *Motor Type: Bipolar Stepper *Step Angle: 1.8 deg *Holding Torque: 45Ncm(63.74oz.in) *Rated Current/phase: 1.50A *Phase Resistance: 2.3ohms *Inductance: 4.4mH ± 20%(1KHz) Physical Specification *Frame Size: 42 x 42mm *Body Length: 39mm *Shaft Diameter: ?5mm *Shaft Length: 24mm *D-cut Length: 15mm *Number of Leads: 4 *Lead Length: 1000mm *Weight: 280g 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.