BENEFITS
DATA LSG, LSH, LPH, LPS, LPV, SMS, PMS, MTG SWITCHES–MOMENTARY ACTION
Simple assembly, long life time,
short lead time
Reliable tactile feedback
Various designs with 1/4 and 1/2 inch are possible
with different heights
Variable colour design and lettering
Available for through hole and SMD assembly
Tested to degree of protection IP 40 and IP 67
LSG//LSH/LPH SMS PMS MTG
LPV/L/LSH SMS PMS MTG
LPS//LPV
Electrical data
Contact material gold silver
Switching voltage max. [V] 12 DC 30 AC / 42 DC 30 AC / 42 DC max. 24 DC max. 48 DC
Switching current max. [mA] 50 50 50 max. 50 max. 125
Rated breaking capacity [W] 0.12 0.12 0.48 2.40
Lifetime (at rated breaking capacity) >105>106>106>106>106
Initial contact resistance, new [mΩ]max. 100 <50 <50 <50 <50
Initial contact resistance, after lifetime [mΩ]max. 100 <150 <150 <50 <50
Insulation resistance [mΩ]>108 >108>108>108
Contact bounce time [ms] typ. 0.1 typ. 0.15 typ. 0.15 typ. 0.1 typ. 0.1
Mechanical data
Actuating force IP 40 [N] 1.6 ± 0.5 1.6 ± 0.4 1.6 ± 0.4 2.5 ± 0.5 2.5 ± 0.5
IP 67 [N] 1.8 ± 0.4 1.8 ± 0.4
Contact travel [mm] 0.25 + 0.2/-0.1 0.35 ± 0.1 0.35 ± 0.1 0.45 ± 0.1 0.45 ± 0.1
End stop strength [N] 50N/3s >100 >100 > 50 > 50
Lifetime [operations] >105>106>106>106>106
Other data
Degree of protection IP 40 IP 40/IP 67 IP 40/IP 67 IP 40 IP 40
Soldering method( IR-Reflow IR-Reflow Wave Wave Wave
Soldering heat resistance (LSH/LSG) IR Reflow [°C/s] 240/20
(LPV/LPS/LPH) [°C/s] 260/3
Jedec J-STD-020C 245/5 248,5/1 248,5/1 248,5/1
Ambient temperature [°C] -20 – +70 -40 – +85 -40 – +85 -25 – +85 -25 – +85
Storage temperature [°C] -30 – +85 -40 – +85 -40 – +85 -25 – +85 -25 – +85
Cleaning agent proof Zestron Zestron
Flux-proof IP67 IP67
Materials
Sealing membrane IP 67 VMQ VMQ
Contact material gold CuZn37 Ni + Au CuZn -3µm Ni +2µm Au
Contact material silver * CuZn -2.5µm Ag passivated
Terminals * CuZn37 - Sn
Socket * Thermoplast PA 4.6 Thermoplast PES
Actuator * Thermoplast PPS Thermoplast PC
Cover plate * X 12CrNi177
* on request
7
PRINTMOUNT
SHORT STROKE
MTG MTG
OVERVIEW MTG SWITCHES–MOMENTARY ACTION
FEATURES
Contact material Ag Au
PART NUMBER *
Models
Short actuator 1241.1052 1241.1002
Long actuator 1241.1072 1241.1022
Height variable 1241.1082. 1241.1032.
Overall heighth(with key cap)/Colour
8.50mm/yellow
9.25mm/orange
10.00mm/red
10.75mm/blue
11.50mm/green
12.25mm/grey
13.00mm/black
13.75mm/white
Additional key cap1
Overall height h/Colour
14.50mm/yellow+black
15.25mm/orange+black
16.00mm/red+black
16.75mm/blue+black
17.50mm/green+black
18.25mm/grey+black
19.00mm/black+black
19.75mm/white+black 8181
7171
6161
5151
4141
3131
2121
1111
88
77
66
55
44
33
22
11
xxxx
* X in the Part No. must be replaced by the desired version
1Starting with 14.50 mm the heights are achieved with an additional (second) key cap of black colour
Dimensions short actuator: Drilling diagram: Circuit diagram:Dimensions long actuator: Dimensions overall height:
= Ø 1
= Ø 1.3
+0.1
0+0.1
0
11
PRINTMOUNT
SHORT STROKE
Drilling for location pins
Drilling diagram
1/20" = 1,27 mm
