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Appliance Door Sensors

Introduction

Appliances, particularly refrigerators and freezers, must have their doors closed at all times.  If the door is left open for any length of time the compartments will warm up and the food contained within will begin to spoil.  Reed sensors are a simple choice to solve this problem…

Full Application Write Up
Door Detection - Reed Sensor

Features

  • Contacts dynamically tested
  • Cylindrical panel mount and screw fastening mounting
  • Magnet and reed sensor are isolated and have no physical contact by typically having the magnet mounted to the appliance door, and the reed sensors mounted and positioned usually on a PCB on the appliance chassis to accurately detect the opening of the appliance door
  • The reed switch used in the reed sensor is hermetically sealed and is therefore not sensitive to cold, wet and moist environments
  • The permanent magnet is not affected by its environment
  • Tens of millions of reliable operations
  • Surface mount and through hole packages available

 

SeriesDimensionsmminchesIllustration
MK15W2.50.098 MK15 Reed Sensor
H2.50.098
L19.500.768
MK16W2.30.091 MK16 Reed Sensor
H2.30.091
L15.600.614
MK17W2.10.083MK17 Reed Sensor
H2.10.083
L9.610.378
MK22W2.70.106 MK22 Reed Sensor
H2.30.091
L15.600.614
MK23-35W2.20.087 MK23-35 Reed Sensor
H1.950.077
L15.750.620
MK23-66W2.20.087 MK23-66 Reed Sensor
H2.70.106
L19.600.772
MK23-87W2.00.079 MK23-87 Reed Sensor
H2.10.083
L15.600.614
MK23-80W2.00.079 MK23-80 Reed Sensor
H2.10.083
L13.00.512
MK24W2.20.086 MK24 Reed Sensor
H1.80.070
L5.50.216
SeriesDimensionsmminchesIllustration
MK03Dia5.800.244
MK03 Reed Sensor

M03 magnet not included

L25.51.004
MK14Dia40.157 MK14 Reed Sensor
L25.51.004
MK18Dia50.197 MK18 Reed Sensor
L170.669
MK20/1Dia2.720.107 MK20/1 Reed Sensor
L100.394

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