Nema 17 hybrid stepping motor suitable for many 3D printer Reprap machines

2-phase with 4-wire bipolar windings.

General Specification:

Shaft Diameter: 5mm without flat face

Step Angle: 0.9° (400 step/rev)

Motor Length: 48 mm

Rated Current: 1.7 Amps per phase

Phase Resistance: 1.65 ohms

Phase Inductance: 4 mH

Holding Torque: 58 oz-in / 41 N.cm / 4.2 kg.cm

Detent Torque: 220 g.cm

Rotor Inertia:68 g.cm²

Weight: 358g

Wiring:

Black: A+

Green:A-

Red:B+

Blue:B-

Step angle accuracy: ±5%(full step,no load)

Resistance accuracy: ±10%

Inductance accuracy: ±20%

Temperature rise: 80°C Max(rated current,2 phase on)

Ambient temperature: -20° ~ +50°C

Insulation resistance:100MΩ Min,500VDC

Insultion Strength: 500VAC for one minute