Two-phase stepper motor 39BH20W-040B-24

hybrid steppercompactsmall-size

Product Overview
The 39BH20W-040B-24 is a 39mm (NEMA 15) 2-phase hybrid stepper motor providing 0.064 N·m (0.65 kg·cm) holding torque in a compact 20 mm body. Rated at 0.4 A/phase, it is suited for precision motion control in space-constrained industrial assemblies. Recommended driver: CW215.

Key Highlights

• 2-phase, 1.8° step angle — holding torque 0.65 kg·cm (0.0638 N·m)
• Rated current 0.4 A/phase — 39 mm (NEMA 15) frame
• Compact 20 mm body length with 5 mm shaft for tight installations

Quick Specs

• Phase: 2
• Step angle: 1.8° ± 5%
• Holding torque: 0.0638 N·m
• Current/phase: 0.4 A
• Shaft diameter: 5 mm
• No. of leads: 4

Electrical Specifications (table)
Step angle: 1.8° ± 5%
Holding torque: 0.064 N·m (0.65 kg·cm)
Rated current: 0.4 A/phase
No. of phases: 2
No. of leads: 4
Shaft diameter: 5 mm
Frame size: 39 mm (NEMA 15)
Body length: 20 mm
Weight: 0.23 kg
Recommended driver: CW215

Mechanical & Performance
Mechanical drawing and torque-speed curve are provided for the 39BH series (39 mm / NEMA 15) to support mounting, integration and performance evaluation.

Technical specifications

• Model / Series: 39BH20 (example: 39BH20W-040B-24)
• Frame size: 39 mm (NEMA 15)
• Body length: 20 mm
• Phase: 2
• Step angle: 1.8° ± 5%
• Holding torque: 0.0638 N·m (0.064 N·m, 0.65 kg·cm)
• Rated current: 0.4 A per phase
• No. of leads: 4
• Shaft diameter: 5 mm
• Weight: 0.23 kg
• Recommended driver: CW215