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Nippon Pulse 4mm Linear Shaft Motor with triple winding
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S040T Linear Motor

Linear Shaft Motor Technology Continuous Force: 18N
Peak Force: 70N

Linear shaft motor design advantages:

  • Power dense, compact, and efficient design easily integrates into machine structures.
  • Zero cogging for ultrasmooth motion required for high precision applications.
  • Contactless motion for maintenance free operations, minimizing downtime.
  • Non-critical air gap with no variation in force along the length of the shaft delivers smooth and quiet operation.
  • Ideal for replacing ball screw actuators, flat or u-channel linear motors, or pneumatic/hydraulic systems.
High Speed, High Acceleration Linear Motor

Linear servomotor with 4mm diameter shaft, triple-winding forcer.
Available with stroke lengths from 20-40mm.

Continuous Force: 0.45N
Peak Force: 1.8N
Peak Current: 1.1A


  • Specifications
  • Resources & Data Sheets
  • 3D-CAD
  • RFQ / Contact Us
S040T Specification Overview
Shaft diameter4 mmStroke length range20 ~ 40 mm
Continuous force0.45 NContinuous current0.3 A
Peak force1.8 NPeak current1.1 A
Force constant1.6 (Kf) N/AmpsBack emf0.5 V/m/s
Motor constant0.39 N√wForcer weight0.011 kg
Gap0.5 mm



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