Switches in momentary action LDT, and latching action LDS
Models
Small button
Construction
Frontpanel mounting
Dimensions
Wiring diagram
Circuit diagram
NO 1pole
/ N.O.
/ N.C.
NO 2pole
Front panel drilling
Large button
Frontpanel mounting
Panel
cut out
NC 1pole
Drilling diagram
/ N.O.
NC 2pole
/ N.C.
Small button with
solder terminal
Frontpanel mounting
Solder terminal version
NC/NO
8
Frontpanel Line
Technical Data LDT, LDS
1.
Mechanical data
Actuating force
Contact travel
End contact travel
(DIN 41640 Teil 19)
End stop strength
(IEC 512-5 Test 9a,
actuating force
5 N)
Lifetime
1,5 N ±0,3 N
1,35 mm ±0,2 mm
2,9 mm ±0,1 mm
> 50 N
> 10
5
Operations
2.
Electrical data
Switching voltage
Switching current max.
Lifetime (rated interrupting capacity1,2 W)
(IEC 512-2, mV-Method)
Initial contact resistance, new
Initial contact resistance, after 10 cycles
(IEC 512-2)
Insulation resistance
Contact bounce time
> 10
10
Ω
typ. 0,5 ms
5
min.: 100 mV AC/DC
max.: 60 V AC / 50 V DC
200 mA
> 10
5
Cycles
< 20 mΩ
< 25 mΩ
3.
Other data
Solderability
IEC 68-2-20 Test Ta, Methode 1
235 °C / 2 s
260 °C / 5 s
-25 °C…+60 °C
-25 °C…+85 °C
-25 °C…+60 °C
-25 °C…+85 °C
IP 40
IEC 68-2-20 Test Tb, Methode 1A
Soldering heat resistance
Ambient temperature
Storage temperature
Degree of protection
illuminated
non-illuminated
illuminated
non-illuminated
4.
Materials
Socket
Button
Contacts
Gold on request
Thermoplast PES
Thermoplast PC
CuZn 37, mit 5 µm Ag
CuBe, mit 5 µm Ag
CuZn 37, mit 4 µm SN Pb 40
Contact spring
Terminals
5.
LED data
see page 40
0925.9730
0925.9731
0925.9732
9
Frontpanel Line
LDT, LDS with small button — non-illuminated
Models
Momentary action
Variations
Switching functions
NO 1-pole
NO 2-pole
NC 1-pole
NC 2-pole
NC/NO 1pole
Part Number
0041.9141. X . X .0. X
0041.9142. X . X .0 .X
0041.9143. X . X .0 .X
0041.9144. X . X .0 .X
0041.9145. X . X .0 .X
0041.9151. X . X .0 .X
0041.9152. X . X .0 .X
0041.9153. X . X .0 .X
0041.9154. X . X .0 .X
0041.9155. X . X .0 .X
1241110
1
1241110
2
1241110
3
1241110
4
1241110
5
1241110
6
1241110
7
1241110
8
1241110
1
Latching action
Switching functions
NO 1-pole
NO 2-pole
NC 1-pole
NC 2-pole
NC/NO 1pole
yellow
Color of small button
orange
red
blue
green
grey
black
white
Bezel
Small button
Shape of bezel and
button
non-illuminated
1241.1 X 14.
yellow
Color of bezel
orange
red
blue
green
grey
black
white
1241110
2
1241110
3
3 .0.
0
12411110
1
12411110
2
12411110
3
12411110
4
12411110
5
12411110
6
12411110
7
12411110
8
0850.9242
Holder
Mounting accessories
Securing clip necessary for front panel mounting
0850.9277
(only
for hand soldering)
Modu
le holder optional for vertical PCB mounting
Order specific production
10
Frontpanel Line
LDT, LDS with small button — illuminated
Models
Momentary action
Variations
Switching functions
NO 1-pole
NO 2-pole
NC 1-pole
NC 2-pole
NC/NO 1pole
Part Number
0041.9146. X . X .X. X
0041.9147. X . X .X .X
0041.9148. X . X .X .X
0041.9149. X . X .X .X
0041.9150. X . X .X .X
0041.9156. X . X .X. X
0041.9157. X . X .X .X
0041.9158. X . X .X .X
0041.9159. X . X .X .X
0041.9160. X . X .X .X
1241110
1
1241110
3
1241110
5
1241110
1
Latching action
Switching functions
NO 1-pole
NO 2-pole
NC 1-pole
NC 2-pole
NC/NO 1pole
gelb
yellow
Color of small button
rot
red
grün
green
Bezel
Shape of bezel and
button
1241110
2
1241110
3
Small button
rot
red
Color of LED
grün
green
gelb
yellow
1
2
3
1
2
3
4
5
6
7
8
0850.9242
LED
gelb
yellow
Color of bezel
Holder
orange
orange
rot
red
blau
blue
grün
green
grau
grey
schwarz
black
weiß
white
Mounting accessories
Securing clip necessary for front panel mounting
0850.9277
(only
for hand soldering)
Modu
le holder optional for vertical PCB mounting
Order specific production
Frontpanel Line
11
LDS with small button — mechanical indicator
Models
Latching action
Variations
Switching functions
NO 1-pole
NO 2-pole
NC 1-pole
NC 2-pole
NC/NO 1pole
Part Number
0041.9161.9. X . X . X
0041.9162.9. X . X . X
0041.9163.9. X . X . X
0041.9164.9. X . X . X
0041.9165.9. X . X . X
9
Clear glass button
(only with mechanical indicator)
1
Bezel
Shape of bezel and
button
2
3
Small button
rot
red
Color of mechanical
indicator
grün
green
weiß
white
gelb
yellow
Color of bezel
Holder
4
5
6
1
2
3
4
5
6
7
8
0850.9242
Mechanical indicator
orange
orange
rot
red
blau
blue
grün
green
grau
grey
schwarz
black
weiß
white
Mounting accessories
Securing clip necessary for front panel mounting
0850.9277
(only
for hand soldering)
Modu
le holder optional for vertical PCB mounting
Order specific production
12
Frontpanel Line
Microchip MCU
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