KSK-1A66-1020 is a type of pushbutton switch made by Standexmeder. This switch offers an industrial grade rated, long-life solution for the most challenging applications. It features a mechanical life of up to 1,000,000 operations, and is designed to withstand high temperature, vibration and corrosive environments. The switch also features bright and tactile actuation, offering both reliability and accuracy. Additionally, KSK-1A66-1020 has a zinc plated steel shell, and comes with a wide range of terminal, actuator, and other customization options.