BENEFITS
DATA MCS 18, SSM 27 SWITCHES–MOMENTARY ACTION
Unique mechanical switches with tactile feedback
Extremely high life time of 5 million switching
cycles (SSM)
Small mounting depth
Various lettering options
No mechanical stress of the switching elements
due to magnetic switching principle (SSM)
Front and rear tested to degree of protection IP 65
MCS 18 gold contacts MCS 18 silver contacts SSM 27
Electrical data
Contact material gold silver AuNi
Switching voltage [mV] min. 50 DC min. 5V DC min. 3V DC
[V] max. 24 DC max. 48 DC max. 50 DC
Switching current max. [mA] 80 125 50
Rated breaking capacity [W] 0.36 0.72 2.5
Lifetime (at rated breaking capacity) >10
6
>10
6
5 Mio.
Initial contact resistance, new [mΩ] <50 <50 *
Initial contact resistance, after lifetime [mΩ] <150 <150 *
Insulation resistance [Ω] >10
8
>10
8
*
Contact bounce time [ms] typ. 0.1 typ. 0.1 typ. 1
ESD resistance [kV] ±16 ±16 ±16
Mechanical data
Actuating force [N] 3 ± 1 3 ± 1 2.8
Contact travel [mm] 0.5 ± 0.1 0.5 ± 0.1 0.30
End stop strength [N] > 50 >50 IK 03
Lifetime [operations] >1 Mio. >1 Mio. >5 Mio.
Other data
Solderability [ºC/s] 235 / 2 235 / 2
Soldering heat resistance [ºC/s] 260 / 5 260 / 5
Ambient temperature [ºC] -25 – +60 -25 – +60 -25 – +85
Storage temperature [ºC] -25 – +60 -25 – +60 -25 – +85
Degree of protection IP 65 IP 65 IP 65
Recommended torque [N/cm] 88250
Materials
Socket/Housing (SSM 27) Thermoplast PES Thermoplast PES Alu anodized
Face foil PETP PETP PETP
Bezel Thermoplast PBTP Thermoplast PBTP Alu anodized
Contact material gold / silver CuZn 37, 3µm Ni 2µm Au CuZn 37, 2.5µm Ag Au Ni
Soldering aid tinned tinned
* on request
19
FRONTPANEL
SHORT STROKE
