This round size hybrid bipolar Nema 14 stepper motor with 0.9° step angle (400 steps/revolution). Each phase draws 500 mA at 8.5 V, allowing for a holding torque of 7Ncm(10oz.in).

Electrical Specification

• Manufacturer Part Number: 14HR05-0504S
• Motor Type: Bipolar Stepper
• Step Angle: 0.9°
• Holding Torque: 7Ncm(10oz.in)
• Rated Current/phase: 0.5A
• Phase Resistance: 17ohms
• Recommended Voltage: 12-24V
• Inductance : 7.5mH±20%(1KHz)

Physical Specification

• Frame Size: Φ36mm
• Body Length: 12.5mm
• Shaft Diameter: Φ5mm
• Shaft Length: 10.5mm
• D-cut Length: 5mm
• Number of Leads: 4
• Lead Length: 300mm
• Weight : 50g 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.