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P3950 Magnetic Proximity Sensor

P3950 Magnetic Proximity Sensor

This family of sensors offers non-contact, solid state, magnetically activated sensing for a variety of proximity and speed applications. Both North and South polarities activate these sensors. The activation levels, besides being very low, are also held within a tight range. This provides optimum repeatability for production applications. With the additional advantage of low hysteresis, this family of devices will operate effectively even in large air gap applications. The threaded Aluminum housing allows for service in rugged environments where space is at a premium. Integral cable with 24 AWG wire leads add reliability and flexibility to the electrical connection. Optional connectors and lead lengths are available upon request.



  • Solid State Switch
  • Both Normally Low and Normally High Version
  • Small Size
  • High Sensitivity
  • Open Collector Output
  • Operates on both North and South Poles
  • No Rotational Alignment Needed
  • Operation from –20°C to 85°C
  • Rugged Aluminum housing
  • 6.5 - 24 VDC Operation
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