This is one of strongest bipolar Nema 17 stepper motor with 1.8 deg. step angle (200 steps/revolution). Each phase draws 2.1A, allowing for a holding torque up to 65Ncm(92oz.in).

Electrical Specification:

• Manufacturer Part Number: 17HS24-2104S
• Motor Type: Bipolar Stepper
• Step Angle: 1.8 deg.
• Holding Torque: 65Ncm(92oz.in)
• Rated Current/phase: 2.1A
• Phase Resistance: 1.6ohms
• Inductance: 3mH+/-20%(1KHz)

Physical Specification:

• Frame Size: 42 x 42mm
• Body Length: 60mm
• Shaft Diameter: 5mm
• Shaft Length: 24mm
• D-cut Length: 15mm
• Number of Leads: 4
• Lead Length: 500mm
• Weight: 500g

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.