Hybrid stepper motor 42BHH25-040A-24

two-phase stepperNEMA 17

Product Overview
The 42BHH25-040A-24 is a 42 mm (NEMA 17) 2-phase hybrid stepper motor delivering 0.167 N·m (1.7 kg·cm) holding torque in a 25 mm body. Rated at 0.4 A/phase with 4 leads and a 5 mm shaft, it is designed for precision motion control in industrial automation, robotics, CNC and laboratory instruments. Recommended driver: CW215.

Key Highlights

• Step angle: 1.8° (±5%)
• Holding torque: 0.167 N·m (1.7 kg·cm)
• Rated current: 0.4 A/phase
• Frame: 42 mm (NEMA 17) — Body length: 25 mm
• Shaft: 5 mm diameter — 4 leads
• Weight: 0.22 kg
• Recommended driver: CW215

Product Datasheet
Datasheet reference: 42BHH25-040A-24. Mechanical drawing, wiring diagram and torque-speed curve are available for download.

Mechanical & Performance
The motor fits standard NEMA 17 mounts. Use the torque-speed curve to select appropriate load and speed. Pay attention to thermal limits and follow CW215 driver configuration for microstepping and current settings to achieve required performance.

Technical Specifications

• Step Angle: 1.8° ±5%
• Holding Torque: 0.167 N·m (1.7 kg·cm)
• Rated Current: 0.4 A/phase
• Phases: 2
• Leads: 4
• Shaft Diameter: 5 mm
• Frame Size: 42 mm (NEMA 17)
• Body Length: 25 mm
• Weight: 0.22 kg
• Recommended Driver: CW215