The IDEC HS5D-11ZRNM is a robust safety switch with a metal head, designed to ensure enhanced operational safety through its head detachment detection feature. It offers a configuration of 1 Normally Open (NO) and 1 Normally Closed (NC) contact, along with the option for up to three contacts. The switch includes an M20 gland port for secure cable entry and boasts compact dimensions for easy integration into various systems. Wiring is simplified for quick installation and it has an impressive B10d value of 2.0E+14, indicating high reliability in safety-critical applications.