MEDER electronic
MK02 Series
Ferromagnetic Metal
Detection Sensors
DESCRIPTION
These reed proximity switches operate when in the
presence of magnetically conductive material. In-
stead of an actuating magnet, only a simple piece
of iron is required to operate the sensor from the
front or from above. The standard cable is UL listed
and is round twin core 2 x 0.35 mm
2
(AWG22).
APPLICATIONS
•
Industrial applications
•
End travel sensing limit switch in pneumatic
cylinders
•
Position control
•
Control functions in plant and utility vehicles
•
Security applications
•
Door and window control
•
Opening recognition contact
•
Fire protection doors
FEATURES
•
•
•
•
Form A and B are available
Other cables, connectors and colors available
Activation from the front or from above
Sabotage loop available
All dimensions in mm [inch]
Series
MK02/0, MK02/1,
MK02/2, MK02/3
Series
MK02/5
DIMENSIONS
32.5
[1.280]
TERMINATION
W
The cable cut length includes:
5 mm of wire stripped and tinned.
For wire and termination details please consult factory.
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211
MK02 Series
Ferromagnetic Metal
Detection Sensors
MEDER electronic
OPERATION EXAMPLE
For best operation it is recommended that you
DO NOT
mount these sensors on any ferromagnetic material
OR
use any
ferromagnetic screws.
MK02/0
Operation from the Front
MK02/2
10
15
20
0
5
MK02/1
Operation from above
MK02/3
mm
MK02/5
Operation from the front
1Form A
On
Off
10
15
20
0
5
10
15
On
mm
1Form B
Off
Off
*
20
magnetically conductive
material
mm
20
mm
20
0
5
15
15
mm
1Form A
On
Off
On
10
10
On
*
magnetically conductive material
5
5
*
magnetically conductive material
Off
0
0
1Form A
1Form B
* Dimension (mm): 3 x 12 x 32
The standard cable is a 4-wire round - core 4 x 0.14 mm
2
(cable
sheath and wires are white) forming a sabotage loop. See
example of this loop to the right.
(Sabotage loop for
MK02/2, MK02/3.)
ORDER INFORMATION
Series
MKX/X -
02/0
02/1
02/2
02/3
02/5
02/6
Contact
Form
Switch
Model
Cable
Length (mm)
Termination
Sabotage
Loop
Operation
Part Number Example
MK02/0 - 1A66 - 500 W
MK02/0
is the front operation series
1A
is the contact form
66
is the switch model
500
is the cable length (mm)
W
is the termination
XX
1A
1B
1A
1B
1A
1B
1A
1B
1A
1A
XX -
66
90
66
90
66
90
66
90
41
41
XXX
X
No
No
Yes
Yes
No
Yes
Front
Above
Front
Above
Front
Front
500*
W
* other cable lengths available.
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212
MEDER electronic
MK02 Series
Ferromagnetic Metal
Detection Sensors
CONTACT DATA
All Data at 20° C
Contact Ratings
Switching Power
Switching Voltage
Switching Current
Carry Current
Static Contact Resistance
Dynamic Contact
Resistance
Switch Model
→
Contact Form
→
Conditions
Any DC combination of V & A
not to exceed their individual
max.‘s
DC or peak AC
DC or peak AC
DC or peak AC
w/ 0.5 V & 10 mA
Measured w/ 0.5 V & 50 mA ,
1.5 ms after closure
Switch 41
Form A
Switch 66
Form A
Switch 90
Form B
Min. Typ. Max. Min. Typ. Max. Min. Typ. Max. Units
16
40
0.4
0.7
100
150
10
9
150
10
200
0.5
1.25
150
200
10
10
*
225*
3
175
0.25
1.2
150
250
10
9
W
V
A
A
mΩ
mΩ
Ω
VDC
Insulation Resistance across
100 volts applied
Contacts
Breakdown Voltage across
Contact
Operate Time incl. Bounce
Release Time
Capacitance
Environmental Data
Shock Resistance
Vibration Resistance
Ambient Temperature
Stock Temperature
Soldering Temperature
1/2 sinus wave duration 11 ms
From 10 - 2000 Hz
10°C/ minute max. allowable
10°C/ minute max. allowable
5 sec.
Voltage applied for 60 sec. min.
Measured w/ 100 % overdrive
Measured w/ no coil
suppression
at 10 kHz cross contact
0.7
0.05
0.3
0.2
0.5
0.1
1.0
0.7
1.5
ms
ms
pF
50
20
-20
-35
85
85
260
-20
-35
30
10
85
85
260
-20
-35
50
20
85
85
260
g
g
o
C
C
C
o
o
Please note: The indicated electrical data are maximum values and can vary downwards when using a more sensitive switch.
* Insulation resistance of 10
12
and breakdown voltage of 480 VDC is available.
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213
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