Enhance your control systems with this professional-grade 19mm metal rotary key switch. Featuring a robust self-locking mechanism, this versatile switch offers reliable operation in both 2-position and 3-position configurations. The durable metal construction ensures long-lasting performance in demanding applications, while the ergonomic key knob design provides smooth, precise control. Pre-fitted with a connector for straightforward installation, this switch is ideal for industrial controls, equipment security, and specialized machinery applications. The sleek, polished appearance combines professional aesthetics with practical functionality. The switch's secure locking mechanism maintains position stability, preventing accidental changes during operation. Whether you need simple on-off control or multi-position switching capabilities, this premium key switch delivers consistent, dependable performance. Perfect for panel mounting applications where authorized access control is essential, this switch brings industrial-grade quality to your switching needs.