The IDEC YW1S-3E11 is a 3-position selector switch designed for efficient control within electrical circuits. It features a single Normally Open (NO) and one Normally Closed (NC) contact, maintained for consistent operation. The switch boasts a space-efficient design with 10mm thick contact blocks and a plastic bezel for durability. Its compact and lightweight construction, along with the removable operator and separate contact block, simplifies installation and maintenance processes.