STI SS2421EM-EN Stopper Station Push Button with Stopper Station Shield, "Emergency" Label, Turn-to-Reset Button, Yellow

Designed for decisive, low-stress emergency response, the Safety Technology International SS2421EM-EN Stopper Station is a purpose-built emergency & lockdown button that helps facilities execute calm, effective lockdowns and alarm activations. The turn-to-reset button gives operators controlled reset capability after an event, reducing false re-triggers and minimizing downtime. Built for integration, the SS2421EM-EN features DPDT contacts rated at 10 amps @ 125/250 VAC and 6 amps @ 30 VDC and a multicolor 12–24 VAC/VDC LED bar for clear system status and remote monitoring. Its flush-mount yellow polycarbonate housing and raised EMERGENCY label ensure quick recognition in schools, healthcare, retail and industrial environments. UL/cUL listing and ADA compliance make it suitable for commercial security, surveillance and access control projects that require code-conformant components. Use the STI Stopper Station to strengthen your facility’s emergency procedures and simplify integration with existing alarm and monitoring systems. Add the SS2421EM-EN to your security toolkit — order now or contact our team for integration support.

• Immediate, confident emergency action with a clear, raised EMERGENCY label for fast recognition
• Turn-to-reset mechanism prevents accidental reactivation and simplifies post-event recovery
• Robust DPDT contacts (10A @ 125/250 VAC, 6A @ 30 VDC) for reliable integration with alarm, access control and monitoring systems
• High-visibility yellow flush-mount design and multicolor LED illumination improve visibility in security and surveillance environments
• UL/cUL listed and ADA compliant to meet commercial safety and accessibility requirements