Racine FD4-BTHS-106S-20 NSMD Limit Switch is a Racine-branded end-of-travel sensing device used in industrial automation to provide a discrete signal when a mechanism reaches a limit. This model identifies a specific configuration within the FD4 limit switch family. For exact electrical ratings, actuator details, and mounting compatibility, refer to the official Racine specification for the FD4-BTHS-106S-20 NSMD.
