19 mm metal emergency stop push button with red mushroom knob and rotary locking Why choose this switch Fast, unmistakable shutdown: the large red mushroom knob gives a clear emergency stop that is easy to hit when seconds matter. Prevents accidental resets: rotary locking secures the switch in the off position until deliberately released. Built to last in demanding environments: metal construction resists wear and holds up in workshops, cabinets, and industrial panels. Flexible wiring in one compact unit: 3 terminals arranged as 1NO + 1NC let you implement safety interlocks and control circuits without extra components. Standard 19 mm panel mount: fits common cutouts for easy installation, retrofits, and DIY control panels. Consistent operation under load: designed to actuate reliably across a range of voltages and loads for dependable performance when needed. Key features at a glance Type: 19 mm metal push button with emergency stop mushroom cap Locking: rotary locking mechanism for secure off position Terminals: 3 (1 Normally Open, 1 Normally Closed) Mount: standard 19 mm panel mount, straightforward installation Construction: durable metal body and knob base for long service life Performance: reliable actuation across a range of voltages and loads How this solves common problems Reduces risk: fast, clear emergency shutdown minimizes damage and injury in critical situations. Cuts downtime: sturdy build and dependable contacts lower failure rates and maintenance needs. Simplifies wiring: combined NO/NC contacts let you control power and signal lines with a single component. Fits existing panels: standard size makes upgrades and retrofits simple without reworking enclosures. Practical applications CNC or small workshop tools: mount as an emergency stop to quickly cut power to spindles, routers, or other driven tools during a malfunction. Arcade cabinets and hobby electronics: use as a main power or safety cut-off for user-accessible panels where a clear, quick shutdown is required. Hobby robotics and custom control panels: integrate as a compact safety interlock or kill switch for mobile robots, test benches, or smart home control enclosures. Installation and compatibility Designed for standard 19 mm panel cutouts; install in new panels or replace existing 19 mm switches with minimal effort. Wiring: use the 3 terminals (1NO, 1NC) to implement simple on/off control plus a safety signal or interlock without extra relays. Suitable for DIY makers, retrofits in industrial workspaces, and integration into custom control systems where a robust emergency stop is required. Choose this 19 mm metal emergency stop switch when you need a compact, durable, and easy-to-install solution that provides clear emergency shutdown, secure locking, and flexible wiring for safety and control.