side operated Tact Switch  Specification   Items Standard Rating 50mA.12VDC Insulation resistance 100MΩ min 100V DC Dielectric strength 250V AC for 1min Contact resistance  50MΩ max Operating temperature range  -30°c to +85°c Lifetime E:B:50,000 Cycles C:30,000 Cycles Operating force   E:130gf B:180gf  C:250gf Travel  0.25±0.1mm