<p>0.4A with 12V </p> <p>1m Cable with Connector</p> <p>This is the most popular Nema 17 model. It with 1.8 . step angle (200 steps\/revolution). Each phase draws current 0.4A at 12V, allowing for a holding torque of 26Ncm(36.8oz.in).</p> <p>Electrical Specification:</p> <p>Manufacturer Part Number: 17HS13-0404S1</p> <p>Motor Type: Bipolar Stepper</p> <p>Step Angle: 1.8 .</p> <p>Holding Torque: 26Ncm(36.8oz.in)</p> <p>Rated Current\/phase: 0.4A</p> <p>Phase Resistance: 30ohms</p> <p>Inductance: 37mH+\/-20%(1KHz)</p> <p>Physical Specification:</p> <p>Frame Size: 42 * 42mm</p> <p>Body Length: 34mm</p> <p>Shaft Diameter: 5mm</p> <p>Front Shaft Length: 20mm</p> <p>D-cut Length: 15mm</p> <p>Number of Leads: 4</p> <p>Lead Length: 1000mm</p> <p>Connection: Black(A+), Green(A-), Red(B+), Blue(B-)</p> <p>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 the motor.</p> <p>Color: black</p> <p>Material: metal</p> <p>Package Contents:</p> <p>1 * Nema 17 Stepper Motor</p> <p>Only the above package content, other products are not included.</p> <p>Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.</p>