The Schmersal ZQ900-02N is a pull-wire emergency stop switch designed to provide reliable safety control in industrial environments. Housed in a robust metal enclosure, this device features a position indicator for clear status monitoring. It includes three M20 x 1.5 cable entries for flexible wiring options and is equipped with two normally closed (NC) contacts to ensure effective circuit interruption when activated. Additionally, the unit has an integrated emergency stop pushbutton for quick manual shutdowns. This emergency stop switch is available through BSP Automation, offering a dependable solution for machinery safety applications.