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Product manual
Vandal-proof switch MSM CS
Contents
CONTENTS ............................................................................................................................. 1
1 PRODUCT DESCRIPTION ............................................................................................... 2
2 TECHNICAL DATA AND DIMENSIONAL DRAWINGS ................................................... 2
2.1 Technical Data ......................................................................................................... 2
2.2 Component dimensions ........................................................................................... 5
2.2.1 Component dimensions MSM 19 CS ........................................................................................ 5
2.2.2 Component dimensions MSM 22 CS ........................................................................................ 6
2.3 Actuator Tolerance Range ....................................................................................... 7
2.4 Hole dimensions....................................................................................................... 7
2.5 Starting Torque ........................................................................................................ 8
2.6 Switching Symbols ................................................................................................... 8
2.7 Accessories .............................................................................................................. 8
3 ORDER NUMBERS .......................................................................................................... 9
3.1 Order numbers MSM CS with micro switches of protection class IP40 .................... 9
3.2 Order numbers MSM CS with micro switches of protection class IP 67 ................. 10
3.3 Lettering ................................................................................................................. 11
4 ASSEMBLY .................................................................................................................... 13
4.1 General Instruction ................................................................................................. 13
4.2 Installation .............................................................................................................. 13
5 PACKAGING .................................................................................................................. 14
6 QUALIFICATION TEST .................................................................................................. 15
6.1 IP Protection Class ................................................................................................. 15
6.2 IK Protection Class ................................................................................................. 15
6.3 Salt Spray Test....................................................................................................... 15
7 APPROVALS .................................................................................................................. 16
8 COMPLIANTS ................................................................................................................ 16
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1 PRODUCT DESCRIPTION
The MSM CS metal switch from SCHURTER is equipped with an
actuator made of highly durable ceramic. Ceramic is a new technology
employed in the production of an electro-mechanical switch. The new
switch provides novel features that open up entirely new areas of
application. The actuator material of the MSM CS is resistant to
scratches, abrasion, impact and chemicals.
The non-illuminated version has a translucent white actuating surface.
Lettering is black and is applied directly onto the ceramic material.
Due to the base material and the lettering process, the lettering is
resistant to scratches and to common cleaning agents. In the case of
switches designed with illumination, the actuator surface fully
illuminates uniformly across the entire surface. Lettering and symbols
can also be applied. The standard black lettering provides a positive effect against the illuminated
actuator, while negative lettering provides an inverse effect.
The MSM CS is extremely robust and meets vandal-proof demands due to the low profile of the front
structure (1.7 mm), the IP 69K protection class and the high level of impact resistance. The switch is
available in 19 mm and 22 mm mounting diameters. Different contact configurations are offered over a
range of 30 VDC to 250 VAC for the admissible switching voltage; switching currents are permissible
from 0.1 to 10 Amperes. The MSM CS is equipped with quick connect terminals to allow for fast
connections. The wires are connected to the switching element which is subsequently snapped onto
the switch housing.
2 TECHNICAL DATA AND DIMENSIONAL DRAWINGS
2.1 Technical Data
Micro Switch for Electrical Rating
(Protection Class IP 40)
0.1 A
30 VDC
5 A
125 VAC
3 A
250 VAC
10 A
250 VAC
Electrical Data
Contact Material
gold
silver
silver
Switching Voltage max.
[VAC]
[VDC]
30
125 / 250
250
Switching Current max.
[A]
0.1
5 / 3
10
Rated Braking Capacity
[W]
3
1250
2500
Lifetime 1) (at Rated Braking Capacity)
200,000
200,000
50,000
Lifetime (160mA at 48VDC)
1,500,000
Initial Contact Resistance, new
[mΩ]
< 50
< 30
< 30
1) The electrical lifetime according to ENEC or UL approbation can vary, depending on the corresponding micro switch under the
lifetime indicated above. The type and license numbers for the individual micro switches can be found in “point 6 approvals”.
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Micro Switch for Electrical Rating
(Protection Class IP 40)
0.1 A
30 VDC
5 A
125 VAC
3 A
250 VAC
10 A
250 VAC
Insulation Resistance (IEC 512-2)
[MΩ]
> 100
> 100
> 100
Contact Bounce Time
[ms]
< 5
< 5
< 5
Micro Switch for Electrical Rating
(Protection Class IP 67)
0.1 A
250 VAC
5 A
250 VAC
10 A
250 VAC
Electrical Data
Switching Voltage max.
[VAC]
250
250
250
Switching Current max.
[A]
0.1
5
10
Rated Braking Capacity
[W]
25
1500
2500
Lifetime 1) (at Rated Braking Capacity)
50,000
50,000
10,000
Italically written types on request
1) The electrical lifetime according to ENEC or UL approbation can vary, depending on the corresponding micro switch, under
the lifetime indicated above. The type and license numbers for the individual micro switches can be found in “point 6
approvals”.
Mechanical Data
Actuating Force
[N]
4,5
Actuating Travel
[mm]
1.0
Lifetime
[Actuations]
1,500,000
Climatical Data
Operating / Storage Temperature
[°C]
-25 to +85
Degree of Protection Front Side
mechanical 2)
[IP]
40
Degree of Protection Front Side
Contact Area
[IP]
65
Degree of Protection Front Side
Contact Area
[IP]
69K
Degree of Protection Rear Side
Contact Area
[IP]
40 / 67
2) Degree of protection refers to the area of the movable actuator.
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Overlay Illumination
Supply Voltage
[VDC]
24
Supply voltage 5V and 12V are available. Other supply voltages on request.
Material
Component
Material
Housing
Stainless Steel
Actuator
Ceramic (Zirconium Dioxide)
Sealing Ring
NBR70
Micro switch holder
PA
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2.2 Component dimensions
2.2.1 Component dimensions MSM 19 CS
MSM 19 CS ST MSM 19 CS LE
MSM 19 CS BL
Legend
• A = Illumination Area
• B = Actuating Area
• C = Width Across Flats
• D = Knurled Nut
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2.2.2 Component dimensions MSM 22 CS
MSM 22 CS ST MSM 22 CS LE
MSM 22 CS BL
Legend
• A = Illumination Area
• B = Actuating Area
• C = Width Across Flats
• D = Knurled Nut
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2.3 Actuator Tolerance Range
The mounting tolerance range of the actuator varies from 0.2 mm projection length and 0.2 mm
short length to the housing edge. The slanting position of the actuator can range within this
tolerance.
2.4 Hole dimensions
MSM 19 CS ST MSM 19 CS LE / MSM 19 CS BL
+0,119,1
18,15+0,05
19,1+0,1
MSM 22 CS ST MSM 22 CS LE / MSM 22 CS BL
+0,122,1
22,1+0,1
21,15+0,05
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2.5 Starting Torque
Plastic Nut max. (Nm)
Stainless Steel Nut * max. (Nm)
MSM 19 CS
4.5
12
MSM 22 CS
3.5
16
* on request
2.6 Switching Symbols
MSM CS ST / MSM CS LE
MSM CS BL
2.7 Accessories
MSM 22 CS Installation wrench
Order number: 1141.1337
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3 ORDER NUMBERS
3.1 Order numbers MSM CS with micro switches of protection class IP40
Mounting Diameter (mm)
Ø 19
Ø 22
Electrical Rating max. 0.1 A / 30 VDC
Standard
1241.7021.1110000
1241.7031.1110000
Lettered
1241.7022.1110XXX
1241.7032.1110XXX
Backlighted red
1241.7026.1111000
1241.7036.1111000
Backlighted green
1241.7026.1112000
1241.7036.1112000
Backlighted blue
1241.7026.1114000
1241.7036.1114000
Installation Wrench
1141.1337
Electrical Rating max. 5 A / 125 VAC or 3 A / 250 VAC
Standard
1241.7021.1120000
1241.7031.1120000
Lettered
1241.7022.1120XXX
1241.7032.1120XXX
Backlighted red
1241.7026.1121000
1241.7036.1121000
Backlighted green
1241.7026.1122000
1241.7036.1122000
Backlighted blue
1241.7026.1124000
1241.7036.1124000
Installation Wrench
1141.1337
Electrical Rating max. 10 A / 250 VAC
Standard
1241.7021.1130000
1241.7031.1130000
Lettered
1241.7022.1130XXX
1241.7032.1130XXX
Backlighted red
1241.7026.1131000
1241.7036.1131000
Backlighted green
1241.7026.1132000
1241.7036.1132000
Backlighted blue
1241.7026.1134000
1241.7036.1134000
Installation Wrench
1141.1337
XXX for standard lettering see chapter 3.3 Lettering
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3.2 Order numbers MSM CS with micro switches of protection class IP 67
Mounting Diameter (mm)
Ø 19
Ø 22
Electrical Rating max. 5A / 250VAC
Standard
1241.7021.1180000
1241.7031.1180000
Lettered
1241.7022.1180XXX
1241.7032.1180XXX
Backlighted red
1241.7026.1181000
1241.7036.1181000
Backlighted green
1241.7026.1182000
1241.7036.1182000
Backlighted blue
1241.7026.1184000
1241.7036.1184000
Installation Wrench
1141.1337
Other supply voltages on request
XXX for standard lettering see chapter 3.3 Lettering
For other types of the MSM product family, please visit:
http://www.schurter.com/pg70
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3.3 Lettering
The last three digits in the order number define the lettering.
000 No Lettering
001-074 Standard Lettering
101- Customized Lettering
Example for ordering with lettering Basic Version
1241.7026.1120XXX
Symbols 001-074
Ordering Indices for Lettering
001= A
016= P
031= 4
046=
061= EIN
002= B
017= Q
032= 5
047=
062= AUS
003= C
018= R
033= 6
048=
063= AUF
004= D
019= S
034= 7
049=
064= AB
005= E
020= T
035= 8
050=
065= ON
006= F
021= U
036= 9
051= %
066= OFF
007= G
022= V
037=
052=
067= UP
008= H
023= W
038=
053= CTRL
068= DOWN
009= I
024= X
039=
054= RETURN
069= HIGH
010= J
025= Y
040=
055= SHIFT
070= LOW
011= K
026= Z
041=
056= LOCK
071= ON/OFF
012= L
027= 0
042=
057= STOP
072= START
013= M
028= 1
043=
058= ENTER
073= RESET
014= N
029= 2
044=
059= BACK
074=
015= O
030= 3
045=
060= LINE
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Lettering Size
MSM 19 CS LE / BL:
Single characters:
height 8 mm, font: Helvetica normal DIN1451-1E
Text, max. 3 characters
height 3 mm, font: Helvetica normal DIN1451-1E
Text, max. 6 characters:
height 2.5 mm, font: Helvetica condensed DIN1451-3E
Symbols (indices 037-052):
capitals height 8 mm, font: True Type, Symbol
MSM 22 CS LE / BL:
Single characters:
height 8 mm, font: Helvetica normal DIN1451-1E
Text, max. 3 characters
height 5 mm, font: Helvetica normal DIN1451-1E
Text, max. 6 characters:
height 2.5 mm, font: Helvetica condensed DIN1451-3E
Symbols (indices 037-052):
capitals height 8 mm, font: True Type, Symbol
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4 ASSEMBLY
4.1 General Instruction
During assembly, the protruding bars of the holder should not be pressed together.
4.2 Installation
Installation instruction
1. Place the Gasket accurately on the actuator
housing. Then mount the actuator
housing assembly into the panel.
2. Tighten the screw Nut with the torque
instructions according to Chapter 2.5
3. Clasp the micro switch into the micro switch
holder of the housing.
Installation information:
1. The power supply and the configuration of
the flat pin terminals has to be installed
correctly for the illumination and micro
switch function.
2. Insulate the terminals as required
3. Installation instructions according to VDE-
standard DIN VDE 0100-100 or
alternatively IEC 60354 standard
Legend
I = Housing
II = Flat pin terminals (illumination)
III = Gasket
IV = Screw Nut
V = Micro Switch element
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5 PACKAGING
MSM CS Switch
MSM 19 CS
10 pieces per box with inlay
MSM 22 CS
10 pieces per box with inlay
The nuts with sealing rings and corresponding micro switches are packed separately and
enclosed in the box.
1st layer
2 nd layer
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6 QUALIFICATION TEST
6.1 IP Protection Class
IP Protection Class IEC/DIN/EN/ 60529
IP 65
IP Protection Class DIN 40050
IP 69K
6.2 IK Protection Class
Tested Centrically
IK Protection Class DIN EN 50102
IK 07
6.3 Salt Spray Test
Salt spray test according to DIN 50021- SS
24h, 48h and 96h residence time
The surface of the stainless steel material is covered with a molecular-passive layer. Only under very
unfavourable conditions it is possible, that iron and rust molecules as well as base metals penetrate
the passive layer as foreign substances (pollutions) and initiate the rust process.
The smoothness of the actuator was not affected. After the residence time the tested samples were
cleaned under running water and all rust spots could be removed.
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7 APPROVALS
The listed approvals only refer to the micro switch and not to the complete switch.
Micro switch:
Type
Manufacturer
Licence number
ENEC
VDE / KEMA
UL 1054
CSA C22.2 NO55
1050.1151
Marquardt GmbH
097550
DIN EN 61058
E41791
1050.1102
Marquardt GmbH
097550
DIN EN 61058
E41791
1050.1103
Marquardt GmbH
097550
DIN EN 61058
E41791
SS-01 T
Omron Corporation
40008425
DIN EN 61058
E41515
SS-5 T
Omron Corporation
129246
DIN EN 61058
E41515
SS-10 T
Omron Corporation
125256
DIN EN 61058
E41515
DC3GL1AA
ZF Electronics GmbH
2089323.01
DIN EN 61058
E23301
DC1GL1AA
ZF Electronics GmbH
2089323.01
DIN EN 61058
E23301
DC2GL1AA
ZF Electronics GmbH
2089323.01
DIN EN 61058
E23301
8 COMPLIANTS
All articles are ROHS-compliant and in compliance to the Low Voltage Directive (2006/95/EC).