The DS211 green round button switch provides secure panel control with a built in locking feature. It uses a self locking mechanism and a small key hole to offer tamper resistant operation, making it suitable for compact control panels and applications where intentional actuation is required. Key attributes Model: DS211 Color: Green Type: Round button switch Locking: Selflocking with a lock mechanism Key feature: Small key hole for unlocking Size: 10MM Quantity: 1 piece Material: not specified Functionality: Locking action to hold the switch state until it is unlocked with the key Performance and compatibility Selflocking design helps prevent accidental actuation and tampering Keyed lock provides controlled access to change the switch state Suitable for panel mounting with a 10MM size specification Use cases Panel control in manufacturing or equipment where tamper resistance is required Security or maintenance mode in service panels or machines, requiring a key to unlock Safety interlock or gated control in compact control panels for restricted operation Installation notes Ensure compatibility with a 10MM size specification Install in a suitable panel cutout designed to accommodate the DS211 switch Use the key as needed to lock or unlock the switch to change its state