C&K – Watertight miniature tactile switches withstand harsh operating conditions


C&K’s KMR6 NG and KMR7 NG switches with no Ground pin are watertight, reliable and resistant to vibrations and harsh operating conditions.

They are ideal for use in innovative product types such as personal health- monitoring systems, since they are resistant to corrosion caused by cleaning chemicals, and connected sport watches, as they withstand the effects of sweat and harsh weather.

The compact KMR6 NG and KMR7 NG switches have a footprint of 2.8mm x 4.2mm. The KMR6 is 1.9mm high, and the KMR7 is 2.5mm high.

Hydrophobic coatings may be applied to the switches, which are rated for a lifetime of up to 300,000 switching operations.

The switches are available with a choice of actuation forces: 1.2N, 2.0N, 3.0N or 4.0N.


  • IP67 rating
  • 1mA minimum current
  • Excellent tactile feel
  • Standard and long-life versions
  • Ultra-low current capabilities
  • ≤3ms bounce time


  • Medical equipment
  • Automotive systems
  • Industrial electronics