Model: DS211 white round button switch with lock — single piece (1pc) A compact, selflocking round pushbutton switch designed to add simple, reliable keyed control to panels and enclosures. The DS211 prevents accidental activation and stays in the selected position thanks to its selflocking (latching) mechanism, and its 10 mm size makes it suitable for tight spaces. Key benefits Adds controlled access: the keyed hole and locking action help prevent unauthorized or accidental operation. Reliable latching action: selflocking design holds the switch in the chosen state without additional components. Spacesaving footprint: 10 mm diameter fits small panels and compact assemblies where larger switches won't work. Clean, neutral appearance: white round button blends with many control panels and consumerfacing devices. Key attributes Model: DS211 Quantity: 1pc Color: White Type: Round button switch with lock Locking: Selflocking (latching) Key hole: Small keyed hole (key not specified) Mounting size: 10 mm (mounting/hole diameter) How it solves common problems Prevents accidental operation on control panels or equipment where inadvertent presses could cause issues. Provides a simple keyed control point without the complexity of electronic access systems. Fits locations with limited space where standardsized switches would not be practical. Typical applications Small equipment control panels where limited access is needed (machinery control, test fixtures). Cabinet or enclosure access switches for service mode or power control. DIY electronics and hobby projects requiring a compact, keyed on/off or modeselect switch. Installation and use tips Designed for panels or mounting surfaces with a 10 mm hole diameter; verify panel thickness and mounting clearance before installation. Confirm whether a key is supplied by the seller if keyed access is required. Use appropriate wiring and terminals for the circuit's voltage and current; this product provides mechanical control and does not specify electrical ratings in the model name. Materials and performance The DS211 name and listing describe the switch style, locking behavior, color, and mounting size. For detailed electrical ratings, terminal type, and material specifications, check the seller's technical sheet or contact the supplier. Why choose the DS211 If you need a compact, selflocking round button switch with a small keyed hole and a 10 mm mounting footprint, the DS211 delivers a straightforward mechanical solution for added control and security in confined spaces.