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Series Datasheet
Version 02
28
Feb 2019
Page
M.
Reizner
1
MK27 Series Reed Sensors
➢ Features: Aluminum Screw Fastening Reed Sensor with
Metal-Tubed Cable Termination
➢ Applications: Harsh Environments Position, Agricultural
Engineering & Others
➢ Markets: Agriculture, Construction, Appliance, Industrial,
Security & Others
Customer
Options Switch Model
Unit
Contact Data
66 85
Rated Power (max.)
Any DC combination of V&A not to exceed their individual max.’s
10 100 W
Switching Voltage (max.)
DC or peak AC
180 1000 V
Switching Current (max.)
DC or peak AC
0.5 1.0 A
Carry Current (max.)
DC or peak AC
1.25 2.5 A
Contact Resistance (max.)
@ 0.5V & 50mA
150 150 mOhm
Breakdown
Voltage (min.)
According
to EN60255-5
0.25 1.5 kVDC
Operating Time (max.)
Incl. Bounce; Measured with w/ Nominal Voltage
0.7 1.1 ms
Release Time (max.)
Measured
with no Coil Excitation
0.05 0.05 ms
Insulation
Resistance (typ.)
Rh<45%, 100V Test
Voltage
10
10
10
10
Ohm
Capacitance
(typ.)
@ 10kHz
across open Switch
0.3 0.5 pF
Part
Description: MK27- 0 X 00X -000X
Contact
Qty
Contact
Form
Switch
Model
Magnetic
Sensitivity
Cable
Length (mm)
Termination
1 A, B, C 66, 85 B, C, D, E
500, 1000, 1500, 2000,
3000, 5000
W = Stripped &
Tinned
Page 2
USA:
+1 866.782.6339
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salesusa@standexmeder.com
EMEA:
+49 7731/8399-0
|
info@standexmeder.com
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+86 21/37606000
|
salesasia@standexmeder.com
standexelectronics.com
Series Datasheet
Version 02
28
Feb 2019
Page
M.
Reizner
2
MK27 Series Reed Sensors
MK27 Reed Sensor
Housing and Lead Specifications
Housing Material Aluminum
Case Color Sealing Compound Polyurethane
Cable Type Round Cable
Cable Material PVC
Cross Section (mm2) 2 x 0.25
Environmental Data
Unit
Shock Resistance (max.)
1/2 sine wave duration 11ms
50 g
Vibration Resistance (max.)
20
g
Operating Temperature
Cable not moved
-30 to 80
°C
Operating Temperature
Cable moved
-5 to 80 °C
Storage Temperature
-30 to 80
°C
Handling & Assembly Instructions
➢
Max torque of screw is 1Nm
➢
Cable bending-radius is diameter x 15
➢
Min. bending distance to housing is 5mm
➢
Drag mark out of the mounting area forbidden
➢
Decrease switching distance by mounting on iron
➢
Do not use magnetically inductive screws
➢
Series resistor recommended for > 5m cable length
Layout
Top View
Glossary Contact Form
Form A
NO = Normally Open Contacts
SPST = Single Pole Single Throw
Form B
NC = Normally Closed Contacts
SPST = Single Pole Single Throw
Form C
Changeover
SPDT = Single Pole Double Throw
Glossary Magnetic Sensitivity
Sens. A B C D E F G
AT
05-10
10-15
15-20
20-25
25-30
30-35
35-40
Page 3
USA:
+1 866.782.6339
|
salesusa@standexmeder.com
EMEA:
+49 7731/8399-0
|
info@standexmeder.com
APAC:
+86 21/37606000
|
salesasia@standexmeder.com
standexelectronics.com
Series Datasheet
Version 02
28
Feb 2019
Page
M.
Reizner
3
MK27 Series Reed Sensors
Please note: All technical specifications on this series datasheet refer to the standard product range. Modifications in the sense of technical progress are reserved. For
general information only. For more specific information, please consult the product datasheet, available upon request.
This series datasheet could contain technical inaccuracies or typographical errors. Changes are periodically made to the information herein. These change will be
incorporated in future revisions.
For deviating values, most current specifications and products please contact your nearest sales office.
Life Test Data
*Load increase reduces life expectancy of Reed Switches
Load
Typical Number of Operations
KSK-1A66
100V/10mA
20V/500mA
10V/100mA
10V/4mA
<5V/10mA
1,E+05 1,E+06 1,E+07 1,E+08 1,E+09 1,E+10
Life Test Data
*Load increase reduces life expectancy of Reed Switches
Typical Number of Operations
KSK-1A85
100V/10mA
20V/500mA
10V/100mA
10V/4mA
<5V/10mA
1,E+05 1,E+06 1,E+07 1,E+08 1,E+09 1,E+10
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