Seat Belt Sensor

Introduction

As we all know, seat belts are now used by all airlines and in almost all automotive vehicles with the possibility that they may become mandatory for buses and trains as well. In recent years the Reed Switch sensor has been discovered by safety belt designers as being perhaps the best and most reliable way to detect when a seat belt has been engaged…

Full Application Write Up

Seat Belt Sensor: Application Note

Features

Ability to activate and control switching function from only one side of the buckle
Designed for SPST (Form A) and SPDT (Form C) switching
Designed to handle high shock environments
Designed to operate in dirty environments
Dynamically tested contacts
Hermetically sealed
Millions of reliable switching operations
Reliable switching

Series	Dimensions	mm	inches	Illustration
MK03	Dia	5.80	0.244	M03 magnet not included
MK03	L	25.5	1.004	M03 magnet not included
MK14	Dia	4	0.157
MK14	L	25.5	1.004
MK18	Dia	5	0.197
MK18	L	17	0.669
MK20/1	Dia	2.72	0.107
MK20/1	L	10	0.394