NEMA14 2-PHASE 0.9°/1.8° HYBRID STEPPER MOTOR

What shaft options are available for this motor and how do I choose between them?

There are two variants: 1.8 degree with a round shaft and 0.9 degree with a D shaped shaft. Both share 5 mm shaft diameter and 24 mm shaft length.

What are the electrical specifications and holding torque for each variant?

1.8 degree variant: rated voltage 3.04 VDC, rate current 0.8 A, phase resistance 3.8 ohm, inductance 6.8 mH, holding torque 2.1 Kg.cm. 0.9 degree variant: rated voltage 11.52 VDC, rate current 0.24 A, phase resistance 48 ohm, inductance 50 mH, holding torque 0.7 kg.cm.

What safety and insulation ratings does the motor have?

Dielectric strength 500 VAC / 5 mA / 1 min. Insulation resistance >= 100 MOhm / 500 VDC. Insulation class B.

What are the physical dimensions and shaft details of the motor?

Motor length is 30 mm, weight 250 g, shaft diameter 5 mm, shaft length 24 mm. The 1.8 degree variant uses a round shaft while the 0.9 degree variant uses a D shaped shaft. Shaft radial play is 0.02 max and axial play is 0.08 max under 450 g load.

What is the warranty and return policy for this product?

Warranty and return terms are not listed in the product description. Please contact the seller for details.