The HW1S-3TF11 is a 22mm IEC-style 3-position selector switch designed for industrial control and signaling applications. This maintained-action selector features a lever handle with 1NC (1 normally closed) contact configuration and spring-return capability from the left position, providing flexible operational modes for diverse control scenarios. The switch incorporates IDEC's proven HW Series design with fingersafe IP20 contacts as standard, tamperproof construction, and compliance with worldwide approvals including CE, UL, CSA, and TÜV certifications. The plastic bezel construction with removable contact blocks enables easy assembly and field maintenance. Common applications include process control, machine automation, and safety interlocking systems where reliable 3-position selection with maintained or spring-return action is required.