This listing features a single R123 ONOFFON momentary 12mm toggle switch with a handle. It is a compact threeposition switch designed for panel mounting and flexible control in electronics projects and machines. Key benefits Flexible threeposition action: ONOFFON configuration with momentary function provides versatile control for devices, modes, or circuit routing. Compact 12mm form factor: Ideal for tight spaces and small control panels without sacrificing functionality. Easy replacement or integration: Sold as a single unit, straightforward to install in compatible panels or enclosures. Clear tactile feedback: The toggle operation offers reliable feel and repeatable positions for confident operation. Durable, simple design: Built for dependable switching with minimal complexity, suitable for a range of applications. Key attributes Model: R123 Configuration: ONOFFON Momentary: Yes Size: 12mm Quantity: 1 piece Type: Toggle switch with handle Material: Not specified in the listing Compatibility: Suitable for panelmounted use in electronics projects, control panels, and machinery where threeposition switching with momentary action is required Performance: Threeposition switching with momentary capability as described in the product title Applications Panel control for electronics projects: Use to select between two ON states or routes for different circuits in a compact control panel. Mode selection in equipment: Implement two operating modes with a safe OFF option for maintenance or setup. Test and control setups: Provide momentary actuation for pulse or reset signals in lab benches or development rigs. Notes This description reflects the product title specifications: 1Pcs R123 ONOFFON Momentary 12mm toggle switch handle switch. Material details are not provided in the listing; refer to the manufacturer datasheet for exact electrical ratings and material composition. For proper installation, ensure a compatible 12mm panel or mounting configuration and verify electrical compatibility with your system before use.