The IDEC YW1L-V4E11Q4R is an illuminated emergency stop LED designed for efficient use of space with its slim 10mm thick contact blocks. This compact and lightweight E-stop features a removable operator for flexibility and a metal bezel for durability. It supports unibody pilot lights and key selector switches, enhancing its functionality. The separate contact block simplifies installation and maintenance, making it an ideal choice for streamlined safety operations in industrial environments.