A Global Leader in the Design, Development, and
Manufacture of Sensor and Magnetic Components
www.standexmeder.com
Series Datasheet MK18 Reed Sensors
MK18 Series
Reed Sensors
Features: Cylindrical Reed Sensor, Choice of Cable Termination & Lengths available, Various Case Sizes
Applications: Door & Window Contacts, With Magnetic Floats for Water Level Detection, Position Sensing
Markets: Appliance, Industrial, Security & Others
Part Description: MK 18 - 0 X00 X -000 X
Magnetic
Cable Length
Contact QTY Contact Form Switch Model Termination
(mm)
Sensitivity
100, 200, 300, 500,
1 A 87 B, C, D, E W
1,000, 1,500
Customer Options Switch Model
Unit
87
Contact Data
Rated Power (max.)
10 W
Any DC combination of V&A not to exceed their individual max.s
Switching Voltage (max.)
200 V
DC or peak AC
Switching Current (max.)
0.4 A
DC or peak AC
Carry Current (max.)
0.5 A
DC or peak AC
Contact Resistance (max.)
150 mOhm
@ 0.5V & 50mA
Breakdown Voltage (min.)
0.23 kVDC
According to EN60255-5
Operating Time (max.)
0.6 ms
Incl. Bounce; Measured with w/ Nominal Voltage
Release Time (max.)
0.05 ms
Measured with no Coil Excitation
Insulation Resistance (typ.)
9
10 Ohm
Rh<45%, 100V Test Voltage
Capacitance (typ.)
0.2 pF
@ 10kHz across open Switch
USA: +1.866.782.6339 salesusa@standexmeder.com
Version 01
Europe: +49.7731.8399.0 info@standexmeder.com
27.01.2015
Asia: +86.21.37820625 salesasia@standexmeder.com
Modifications in the sense of technical progress are reserved. A Global Leader in the Design, Development, and
Manufacture of Sensor and Magnetic Components
www.standexmeder.com
Series Datasheet MK18 Reed Sensors
Housing and Cable Specifications MK18 Reed Sensor
Housing Material PBT Glass Fiber Reinforced
Case Color Black
Sealing Compound Polyurethan
Cable Typ Flat Cable
Cable Material PVC
Cross Section (mm) 2 x 0.14
Environmental Data Unit
Shock Resistance (max.)
50 g
1/2 sine wave duration 11ms
Vibration Resistance (max.) 20 g
Operating Temperature
-30 to 70 C
Cable not moved
Operating Temperature
Handling & Assembly Instructions
-5 to 70 C
Cable moved
Storage Temperature -30 to 70
C
Max torque on housing is 1Nm
Cable bending-radius is diameter x 15
Glossary Contact Form
Min. bending distance to housing is 5mm
NO = Normally Open Contacts
Drag mark out of the mounting area forbidden
Form A
SPST = Single Pole Single Throw
Decrease switching distance by mounting on iron
NC = Normally Closed Contacts
Form B
Do not use magnetically inductive screws
SPST = Single Pole Single Throw
Series resistor recommended for > 5m cable length
Changeover
Form C
SPDT = Single Pole Double Throw
Life Test Data
Glossary Magnetic Sensitivity
*Load increase reduces life expectancy of Reed Switches
Sens. A B C D E F G
AT 05-10 10-15 15-20 20-25 25-30 30-35 35-40
USA: +1.866.782.6339 salesusa@standexmeder.com
Version 01
Europe: +49.7731.8399.0 info@standexmeder.com
27.01.2015
Asia: +86.21.37820625 salesasia@standexmeder.com
Modifications in the sense of technical progress are reserved.