STEPPERONLINE Nema 17 Stepper Motor 0.9deg 46Ncm 2A 48mm Length 4-lead Stepping Motor for DIY CNC 3D Printer

• Fine Resolution High Torque
• NEMA-17 bipolar 48mm 4-wire
• 0.9бу step angle(400 steps/rev)
• Rated current 2.0A & resistance 1.4ohms
• 46Ncm(65.1oz.in) holding torque

This bipolar Nema 17 stepper motor with step angle 0.9deg and size 42x42x48mm. It has 4 wires, each phase draws current 2.0A, with holding torque 46Ncm (65.1oz.in). Electrical Specification *Manufacturer Part Number: 17HM19-2004S *Motor Type: Bipolar Stepper *Step Angle: 0.9 deg *Holding Torque: 46Ncm(65.1oz.in) *Rated Current/phase: 2.0A *Voltage: 2.8V *Phase Resistance: 1.4ohms *Inductance: 3.0mH ± 20%(1KHz) Physical Specification *Frame Size: 42 x 42mm *Body Length: 48mm *Shaft Diameter: Φ5mm *Shaft Length: 24mm *D-cut Length: 15mm *Number of Leads: 4 *Lead Length: 500mm *Weight: 370g 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.