The DS211 blue round button switch with lock is a compact selflocking pushbutton switch designed for secure control in electronic systems. It combines a blue round actuator with an integrated lock and a small keyhole, enabling authorized operation and preventing accidental activation. The unit is a single piece and sized for easy integration in compact panels and enclosures. Key benefits Selflocking mechanism helps prevent accidental activation by keeping the switch in its latched position until the key is used to unlock. Integrated lock and small keyhole provide controlled access for maintenance or security, reducing tampering. visibility blue color improves identification and readability on control panels. Small 10 mm size supports compact installations in space constrained environments. Key attributes Model: DS211 Color: Blue Shape: Round button Locking: Selflocking with builtin lock and keyhole Size: 10 mm Quantity: 1 piece Function: Button switch with locking feature for secure on/off control Compatibility and performance Designed for applications requiring a keyed, selflocking pushbutton switch in a compact form factor. Suitable for use in control panels, cabinets, and other enclosures where secure, authorized operation is needed. Provides clear visual indication and controlled access to activation, aiding in safe and reliable equipment operation. Use cases Industrial control panel: a keyed, selflocking on/off switch to ensure only authorized personnel can reactivate equipment after maintenance. Security cabinet or enclosure: a locked pushbutton reset or activation to prevent tampering and accidental operation. DIY and prototyping: a compact, visible, and secure switch for projects needing controlled access to power or function.