In summary, the C&K AP Series SPST IP67 Sealed Pushbuttons are a family of industrial grade switches in a single pole single throw configuration, sealed against the ingress of particles and moisture to IP67. The switches may be purchased with factory installed caps, or the caps may be purchased separately and installed after the panel assembly. The actuator caps are available in several color choices and there also is a through-hole option. Additionally, optional LED illumination in a variety of colors, including bi-color LEDs is offered. There are two panel mounting styles, snap-in and threaded; and there are three types of terminations, solder lugs, PC terminals, and 12” wire leads. Finally, the AP series has an operating life of 1,000,000 cycles and an operating temperature range of -40ºC to +85ºC which is extended to +105ºC for non-illuminated switches.