Crouzet Switches Microswitches and Limit Switches Crouzet Switches Microswitches and Limit Switches include a wide range of specialty switches used in rail, heavy duty transport, and harsh environment applications. Microswitches feature long mechanical life, compact size, short differential travel, specific contacts and fixings, and double break switching. Limit switch characteristics include various IP67 ratings, a wide range of actuators, rotary heads with momentary action, positive break contacts, and compact size.