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Versatile IP67 Sealed Interlock Solution from C&K Supports Rugged AC or DC Applications

December 8, 2021

C&K has launched a new sealed interlock switch. The SL Series is an IP67-rated switch developed for harsh environments commonly found in food & beverage and industrial applications. Supporting both indoor and outdoor applications, the IP67-rated potted version comes with 12″ wire harness. C&K also offers the SL Series in a dust tight version (quick connect terminal), which is compatible with quick connect female terminal. 

The SL Series snap switch can be used at low or high-power current up to 10A, and is available for AC or DC voltage applications. A flexible plunger design allows the switch to be integrated into custom applications. The SL sealed interlock door switch is a versatile switch that has a broad range of applications and can be seamlessly integrated into your custom design.   

The SL Series is perfect for applications like industrial food equipment (pressure fryers), industrial encloures & panels, PV string converters (photovoltaic), test lab equipment and other applicaions exposed to harsh environments. 

“The SL is a ruggedized design for door detect applications (harsh environments) where the customer does not need complex electronics during the integration,” said JeanCarlo Contreras, Global Product Manager at C&K.


  • IP67 rated encapsulated wires version
  • Threaded or non-threaded plunger
  • Dust tight for the quick connect terminal version
  • From 0.1A to 10A max. / AC or DC Voltage
  • Push (MOM) / pull motion (maintained)
  • Excellent sealed solution for harsh or outdoors applications
  • Ruggedize design for door detect applications (harsh environments)


More Information


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