CIR.LERGE.FRO.BLK.O1 with cable

Filament Run Out Detector 1.75mm

$4.95 excl GST

Out of stock

SKU: CIR.LERGE.FRO.175.BLK.O1 Category:

Product Description

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Filament run out detector for 1.75mm filament (BLACK)

  • fully assembled
  • internal microswitch senses end of filament
  • onboard green LED shows when filament is present (Note the LED is recessed behind a very small hole so is not blindingly bright)
  • cable included
  • arrow stamped on the module to show direction of filament for correct operation


  • Supply 3.3-5v to Pin 1
  • Gnd to pin 2
  • The module outputs to Pin 3
  • When filament is present (internal microswitch is depressed):
    • Onboard LED is on
    • Signal Pin 3 outputs the supply voltage (3.3-5v)
  • When filament runs out i.e. is not present (internal microswitch is not depressed):
    • Onboard LED is off
    • Signal Pin 3 is tied to Gnd so 0V


  • Connection is a 3 pin JST XH type male socket
  • 3 way cable included:
    • approximately 1m long
    • terminated with JST XH type female plugs at both ends
  • See diagram below for dimensions
    • Mounting holes accept M3 screws


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