( Qty 1 ) Brand New - Cherry Corp - MP1021014310A Magnetic Proximity Sensor 

One-piece non-contact solid-state position sensors that operate through the use of Hall Effect technology with magnetic fields generated by permanent magnets. They provide a sinking current output

Features
  • Solid state reliability
  • Flange-mount housing
  • Stable output over operating temperature range
  • Compatible with unregulated power supply
  • Open collector (sinking or NPN) output can be used with bipolar or CMOS logic circuits with suitable pull-up resistor
  • North pole sensitive
  • Unipolar device
  • RoHS compliant
  • IP67
Typical Applications
  • Door position & interlock
  • Limit switch
  • Flow/speed
  • Home security
  • Pedal switch