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BY PM Stepper Motor 15BY25-339
BY PM Stepper Motor 15BY25-339

The 15BY25-339 is a high-torque BY PM stepper motor delivering 30 gf·cm rated torque with an 18° step angle, operating at 24 VDC, designed for high-speed, compact positioning applications requiring increased torque and stable performance.

Why Choose This BY PM Motor

  • Higher torque output in a compact 15 mm frame
  • 24 VDC operation for improved torque and speed performance
  • High no-load speed for fast-response positioning
  • Simple 2-phase drive with 2–2 excitation
  • Insulation Class H for improved thermal endurance

Where This BY PM Motor Is Used

  • Compact industrial and laboratory instruments
  • High-speed positioning mechanisms
  • Precision optical and sensing modules
  • Automation and control devices
  • Light industrial and professional motion-control systems

Contact us for pricing, full technical details, and available customization options.

BY PM Stepper Motor 15BY25-339

BY PM Stepper Motor 15BY25-339 is engineered for applications requiring compact size, higher torque capability, and high-speed operation at elevated voltage. The motor adopts a 2-phase permanent magnet structure with a 2–2 exciting method and an 18° step angle, ensuring efficient stepping behavior and straightforward control.

Key electrical and mechanical characteristics include:

  • Rated Voltage: 24 VDC
  • Rated Torque: 30 gf·cm
  • Phase: 2
  • Exciting Method: 2–2
  • Step Angle: 18°
  • No-load Speed: 3000 RPM
  • Phase Resistance: 26 Ω
  • Dielectric Strength: 500 VDC
  • No-load Pull-out Frequency: ≥ 1500 Hz
  • No-load Pull-in Frequency: ≥ 1000 Hz
  • Temperature Rise: 115 °C
  • Insulation Class: H
  • Noise Level: ≤ 50 dB
  • Operating Temperature: −10 °C to +50 °C
  • Outer Diameter: 15 mm
  • Height: 19.5 mm
  • Weight: 18 g

The 15BY25-339 is well suited for compact systems that require higher torque, high-speed capability, and stable long-term operation.

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