100PCS yellow DS428 12mm momentary OFFON push button switches The DS428 is a yellow 12 mm diameter momentary push button switch designed for quick and reliable user input in control panels, DIY projects, and automation circuits. It provides a momentary OFFON action (spring to OFF) when pressed. Pack includes 100 switches in a single lot, making it suitable for bulk projects or spare parts. Key features and specifications Functionality: Momentary OFFON push button switch (spring ) Size: 12 mm diameter push button Color: Yellow Ratings: 3A at 125VAC, 1.5A at 250VAC Model: DS428 (DS428) Pack quantity: 100 pieces Construction materials: Material not specified in listing Compatibility: Suitable for electrically controlled circuits and panels that accept 12 mm momentary switches Performance: Designed for reliable momentary actuation in low to midcurrent control scenarios Why you need it Clear user input: The bright yellow color provides visibility for quick identification in control panels and devices. Reliable momentary action: Quickly activates a circuit while pressed, returning to OFF when released, ideal for reset, start, or momentary enable functions. Economical bulk supply: A 100piece lot supports multiple units or spare parts for ongoing projects and production. Use cases and applications DIY control panels and enclosures: Add a responsive momentary switch for a manual start/reset function in hobby electronics or home automation projects. Arcade and gaming controllers: Implement a momentary action button for game controls, test switches, or start buttons. Microcontroller projects and test benches: Use as a momentary input to trigger events, functions, or calibration routines during development and testing. Notes Material details are not specified in the listing; follow applicable safety and procurement guidelines when integrating into equipment. Ensure compatibility with your circuit's voltage and current requirements (125VAC 3A or 250VAC 1.5A ratings) and confirm mechanical fit for your panel or enclosure.