The IDEC HS5D-02ZRN Safety Switch features a durable plastic head with 2NC contacts for secure circuit control. It includes an M20 gland port for cable connections and offers easy wiring options. The switch is designed to detect detachment of the head, adding an extra layer of safety. Its compact size allows for up to three contacts and it's also available with a metal head option. With a high B10d value of 2.0E+08, it ensures reliable performance in safety-critical applications.