1pc DS211 Red Round Button Switch with Lock — Selflocking, Small Key Hole, 10MM Key benefits Provides secure, deliberate control: the DS211 selflocking mechanism prevents accidental resets or activations by holding the switch in the chosen state until intentionally released. Easy to identify and operate: the red round button gives a clear visual cue for emergency stop, power on/off, or other important functions. Compact and simple to install: designed for a 10MM panel cutout, the small footprint is suitable for compact control panels and tight spaces. Main features and attributes Model: DS211 Quantity: 1pc Button style: round push button, red Lock type: selflocking with small key hole for manual release or keyed operation Mounting size: 10MM (panel hole diameter) Operation: latching (selflocking) pushbutton action Why customers need it Adds a reliable locking control to equipment and panels where accidental toggling must be avoided. Red color improves visibility, helping operators quickly find critical controls. Compact 10MM design fits small panels and devices without requiring large cutouts. Compatibility and installation Intended for panel mounting into a 10MM diameter hole. Suitable where a selflocking (latching) push button with a small keyoperated lock is required. Simple replacement or retrofit option for existing panels that accept a 10MM round switch. Typical use cases Control panels and industrial equipment: use as a secure on/off or reset control where accidental activation must be prevented. Access control and security devices: add a keyed, latching control for limited manual override or authorized operation. Small machinery and instruments: compact 10MM size makes it suitable for tight enclosures and compact control boards. Practical notes Confirm your panel accepts a 10MM round cutout before ordering. The DS211 is supplied as a single unit (1pc). Use as a spare, replacement, or part of a custom control panel layout. The DS211 red round button switch with lock offers a compact, visible, and secure selflocking solution for applications that require deliberate, controlled switching in a 10MM panel opening.