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BY PM Stepper Motor 20BY25-034A
BY PM Stepper Motor 20BY25-034A

The 20BY25-034A is a compact BY PM stepper motor delivering 15 gf·cm rated torque with an 18° step angle, operating at 6 VDC, designed for high-speed positioning applications requiring stable performance in a compact 20 mm frame.

Why Choose This BY PM Motor

  • High no-load speed for fast-response positioning
  • Compact 20 mm frame with balanced torque output
  • Simple 2-phase drive with 2–2 excitation
  • Smooth and stable stepping performance
  • Cost-effective solution for high-speed motion-control tasks

Where This BY PM Motor Is Used

  • Compact automation and control devices
  • High-speed adjustment mechanisms
  • Instrumentation and measurement equipment
  • Optical and sensing modules
  • Light industrial motion-control systems

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

BY PM Stepper Motor 20BY25-034A

BY PM Stepper Motor 20BY25-034A is engineered for applications requiring compact size, moderate torque, and high-speed operation. The motor adopts a 2-phase permanent magnet structure with a 2–2 exciting method and an 18° step angle, delivering efficient stepping performance and straightforward control.

Key electrical and mechanical characteristics include:

  • Rated Voltage: 6 VDC
  • Rated Torque: 15 gf·cm
  • Phase: 2
  • Exciting Method: 2–2
  • Step Angle: 18°
  • No-load Speed: 3000 RPM
  • Phase Resistance: 5 Ω
  • Dielectric Strength: 500 VDC
  • No-load Pull-out Frequency: ≥ 700 Hz
  • No-load Pull-in Frequency: ≥ 500 Hz
  • Temperature Rise: 115 °C
  • Insulation Class: E
  • Noise Level: ≤ 50 dB
  • Operating Temperature: −10 °C to +50 °C
  • Outer Diameter: 20 mm
  • Height: 19 mm
  • Weight: 25 g

The 20BY25-034A is well suited for compact systems where high rotational speed, stable stepping, and reliable long-term operation are required.

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