SCHURTER GmbH
D – 79346 Endingen
www.schurter.com
Product Manual
Vandal-proof latching action switch MSM LA
CONTENTS
1
2
PRODUCT DESCRIPTION ............................................................................................... 2
TECHNICAL DATA AND DIMENSIONAL DRAWINGS ................................................... 2
2.1 Technical Data
......................................................................................................................2
2.2 Dimensional Drawings
.........................................................................................................5
2.3 Hole Dimensions
...................................................................................................................7
2.4 Starting Torque
......................................................................................................................7
2.5 Switching Symbols
................................................................................................................8
2.6 Contact Layout
......................................................................................................................9
3
ORDER NUMBERS ........................................................................................................ 10
3.1 Order Numbers MSM LA
...................................................................................................10
3.2 Lettering
................................................................................................................................11
4
ASSEMBLY .................................................................................................................... 13
4.1 Installation
............................................................................................................................13
5
6
PACKAGING .................................................................................................................. 14
QUALIFICATION TEST .................................................................................................. 15
6.1 IP Protection Class
.............................................................................................................15
6.2 IK Protection Class
.............................................................................................................15
6.3 ESD Protection
....................................................................................................................15
6.4 Salt Spray Test
....................................................................................................................15
7
8
APPROVALS .................................................................................................................. 16
COMPLIANTS................................................................................................................. 16
Changes that contribute to technical improvement are subject to alternations
page
1 of 16
issue date:
04.08.2007
created by:
Mangold
amendment date:
07.12.2010
released by:
Schillak
amendment no.: datasheet no.:
10321
index
105.9526.200
h
Print date: 10/12/2010 14:40:00
SCHURTER GmbH
D – 79346 Endingen
www.schurter.com
1
-
-
-
-
-
-
PRODUCT DESCRIPTION
housing and actuator are made of high-quality stainless steel
switch is particularly suitable for use in equipment in harsh environments or for vandal-
protected applications
available with mounting diameters of 19 and 22 mm
suitable for use in temperatures ranging from -20 °C to+85 °C
permissible switching voltages up to 125 VDC / 250 VAC
switching status (ON/OFF) is easy to discern by looking at, or feeling, the resting position
of the actuator; in the off state, the actuator position protrudes from the housing; in the ON
state, it is depressed into the housing
with quick connect terminals to allow for fast connections
point and ring illuminated versions in red, green and blue are available for indicating the
switching status or for providing visibility during night-time use
available in single-pole and double-pole versions
-
-
-
2
2.1
TECHNICAL DAT A AND DIMENSIONAL DRAWINGS
Technical Data
Electrical Data
Switching Voltage max.
Switching Voltage max.
Switching Current max.
Rated Braking Capacity
Lifetime (
at 8A / 250 VAC)
Lifetime
1)
[V
DC
]
[V
AC
]
[A
AC
]
[W
AC
]
[Actuations]
[Actuations]
30
(125VDC/0,5A)
250
12
3000
50.000
100.000
< 100
> 100
1)
(at 0,5A / 125 VDC)
Initial Contact Resistance
(at 12V / 1 ADC)
[mΩ]
[MΩ]
Insulation Resistance
(500 VDC)
1)
Direct current Lifetime testing accomplished for switch element 1682.1101 with an actuation frequency of 1 Hz and an actuation
velocity of 100 mm/s.
Changes that contribute to technical improvement are subject to alternations
page
2 of 16
issue date:
04.08.2007
created by:
Mangold
amendment date:
07.12.2010
released by:
Schillak
amendment no.: datasheet no.:
10321
index
105.9526.200
h
Print date: 10/12/2010 14:40:00
SCHURTER GmbH
D – 79346 Endingen
www.schurter.com
Ring Illumination (RI)
Supply Voltage U
LED
[V
DC
]
MSM 19 LA RI and MSM 22 LA RI
24
Point Illumination (PI)
Characteristics
LED red
Point Illumination
Characteristics
LED green
Point Illumination
Characteristics
LED blue
Point Illumination
Attention: Parts are delivered without series resistor.
Forward Current max. 40 mA
Forward Voltage at 10 mA = 2.0 VDC
Forward Voltage max. = 2.5 VDC
Forward Current max. 40 mA
Forward Voltage at 10 mA = 2.0 VDC
Forward Voltage max. = 2.5 VDC
Forward Current max. 20 mA
Forward Voltage at 10 mA = 3.2 VDC
Forward Voltage max. = 3.7 VDC
Recommendation of series resistors for Point Illumination:
Changes that contribute to technical improvement are subject to alternations
page
3 of 16
issue date:
04.08.2007
created by:
Mangold
amendment date:
07.12.2010
released by:
Schillak
amendment no.: datasheet no.:
10321
index
105.9526.200
h
Print date: 10/12/2010 14:40:00
SCHURTER GmbH
D – 79346 Endingen
www.schurter.com
Mechanical Data
Actuating Force typ.
Actuating Travel typ.
Lifetime mechanical
Contact Gap
Shock Resistance
(
DIN EN 50102)
Starting Torque
Plastic Nut max.
Stainless Steel Nut* max.
*
on request
[Nm]
[Nm]
[N]
[mm]
[Actuations]
[mm]
[IK]
10
5.2
100.000
3
07
MSM 19 LA
4.5
12
MSM 22 LA
3.5
16
Climatic Data
Operating Temperature
Storage Temperature
Degree of Protection
(DIN EN 60529)
[°C]
[°C]
[IP]
-20 to +85
-20 to +85
IP 64 Front Side
IP 00 Rear Side
Material
Component
Push button holder
Intermediate Connector
Contact Pin Adapter
Component
Housing
Actuator (disc, outside housing)
Illuminated Ring (die-casting, inside housing)
Sealing Ring
Material with flammability rating
PA66 (UL94-V0 related to d ≥ 1.6 mm)
PA66 (UL94-V0 related to d ≥ 1.6 mm)
PA66 (UL94-V0 related to d ≥ 1.6 mm)
Material without flammability rating
Stainless Steel 1.4305
Stainless Steel 1.4305
PC
NBR70
Changes that contribute to technical improvement are subject to alternations
page
4 of 16
issue date:
04.08.2007
created by:
Mangold
amendment date:
07.12.2010
released by:
Schillak
amendment no.: datasheet no.:
10321
index
105.9526.200
h
Print date: 10/12/2010 14:40:00
SCHURTER GmbH
D – 79346 Endingen
www.schurter.com
2.2
2.2.1
Dimensional Drawings
Component Dimensions M19
MSM 19 LA ST double-pole /
MSM 19 LA LE double-pole
MSM 19 LA PI double-pole
MSM 19 LA RI double-pole
Switching Element single-pole
consists of: switch single-pole + push button holder
Legend
A = Illumination Area
C = Width Across Flats
H = Switching Element
Changes that contribute to technical improvement are subject to alternations
page
5 of 16
issue date:
04.08.2007
created by:
Mangold
amendment date:
07.12.2010
released by:
Schillak
amendment no.: datasheet no.:
10321
index
105.9526.200
h
Print date: 10/12/2010 14:40:00
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