20 pieces of 16mm 3‑pin emergency stop switches, supplied in a single box for easy storage and installation. Why you need this set Fast, visible way to stop equipment in an emergency to protect people and machines. Large quantity (20) ensures you have replacements or enough switches for multistation installations. Compact 16mm size fits common panel cutouts and simplifies retrofits and builds. Key features and attributes Quantity: 20 switches in one box for convenient storage and distribution. Type: Emergency stop switch designed for manual shutdown. Mounting size: 16mm nominal diameter for straightforward panel installation. Terminals: 3‑pin configuration for common control and safety wiring. Packaging: Supplied with box to keep parts organized and protected. Benefits and practical advantages Safety: Provides a simple, mechanical means to interrupt operation quickly when needed. Convenience: Bulk pack reduces procurement time and ensures consistent spare parts across machines. Compatibility: 3‑pin layout works with many standard control circuits and safety interlocks. Ease of use: Pushtostop action is intuitive for operators and maintenance personnel. Use cases and applications Industrial control panels: worn emergency stop buttons or outfit multiple control stations with identical switches. Workshop machinery and motor controls: Add or safety stops on lathes, mills, routers, and saws. DIY and automation projects: Suitable for builders assembling control boxes, CNC enclosures, robotics platforms, or multimachine setups. Installation and maintenance tips Designed for panel mounting in a 16mm opening; confirm hole size before installation. Label each switch clearly and place in accessible locations for operators. Keep a few spares from the box on hand for quick replacement during maintenance. Periodically test emergency stop function to ensure reliable operation. This 20‑piece boxed set is a practical solution for maintenance teams, machine builders, and hobbyists who need multiple, uniform emergency stop switches for equipment safety and control.