DS211 red Round button switch with lock selflocking small key hole 10MM The DS211 is a compact red round push button switch featuring a builtin locking mechanism with a small key hole. Its selflocking design secures the actuation until the operator uses the key to unlock. This item is sold as a single piece and is associated with a 10 mm size reference. Key benefits Prevents accidental operation through a selflocking mechanism Locking feature provides tamper resistance and controlled access visibility red color for clear indication in control panels Small, round 10 mm form suitable for tight panel spaces Simple to integrate into panels and control boxes Key attributes Model: DS211 Type: Round push button switch with lock Locking: Selflocking with small key hole Color: Red Size: 10 mm Quantity: 1 piece Applications Panel control for equipment where operation requires authorization Tamperresistant start/stop control in machinery or automation systems Lockable push button for DIY electronics projects and prototype testing How it works The button operates normally when unlocked; the selflocking mechanism latches the position until unlocked via the keyhole. The design provides secure, deliberate actuation and helps prevent unauthorized use. Notes This description reflects the model, features, and specifications as provided: DS211, red round button switch with lock, selflocking, small key hole, 10MM, 1 piece.