Two-phase stepper motor 39BH44-031A-24

hybrid stepperNEMA 15

Product summary
The 39BH44-031A-24 is a 39 mm (NEMA 15) 2-phase hybrid stepper motor providing 0.275 N·m (2.8 kg·cm) holding torque in a 44 mm body. Rated at 0.3 A/phase and with a 5 mm shaft, it is suited for compact precision motion systems. Recommended driver: CW215.

Key highlights

• 2-phase, 1.8° step angle
• Holding torque: 0.275 N·m (2.8 kg·cm)
• Rated current: 0.3 A/phase; 39 mm (NEMA 15) frame
• Body length 44 mm; shaft diameter 5 mm; 4 leads

Electrical specifications
Step angle — 1.8° ± 5%
Holding torque — 0.275 N·m (2.8 kg·cm)
Rated current — 0.3 A/Phase
Number of phases — 2
Number of leads — 4 (4-wire)
Shaft diameter — 5 mm
Frame size — 39 mm (NEMA 15)
Body length — 44 mm
Weight — 0.5 kg
Recommended driver — CW215

Mechanical drawing
Mechanical drawing available for the 39BH Series (39 mm / NEMA 15).

Torque-speed curve
Torque-speed performance curve available for the 39BH Series.

Technical specifications

• Model number: 39BH44-031A-24
• Series: 39BH Series
• Frame size: 39 mm (NEMA 15)
• Body length: 44 mm
• Phases: 2
• Step angle: 1.8° ± 5%
• Holding torque: 0.275 N·m (2.8 kg·cm)
• Rated current: 0.3 A/Phase
• Leads: 4
• Shaft diameter: 5 mm
• Weight: 0.5 kg
• Recommended driver: CW215