This versatile rotary selector switch with key operation offers reliable control and security for your electrical applications. Featuring three distinct positions and a self-locking mechanism, it comes equipped with both normally closed (NC) and normally open (NO) contacts for flexible circuit control. The robust construction includes a durable metal key cylinder and sturdy mounting base with convenient terminal connections. Perfect for industrial control panels, security systems, or equipment access control, this switch ensures authorised operation through its key-based activation system. The latching mechanism maintains the selected position until deliberately changed, providing stable and dependable switching performance. The compact design integrates seamlessly into control panels while the professional-grade components ensure long-term reliability. Ideal for applications requiring controlled access and multiple switching positions, this selector switch delivers precise control with the added security of key operation.