The Sigma SGM-TM17 is a model in Sigma's series of elevator landing doors. Like other Sigma landing doors, it's designed for safe, smooth, and reliable operation in various building types. It offers the essential safety interlocks and durable construction expected of a quality elevator door. While specific technical details for the SGM-TM17 would depend on the configuration, it reflects Sigma's commitment to delivering efficient and robust components for modern elevator systems.