STI SS24A8EX-EN Indoor Only Flush or Surface with Horn Pneumatic, Illuminated, Stopper Station with EMERGENCY EXIT, Blue

For controlled, dependable emergency signaling in high-traffic facilities, the Safety Technology International SS24A8EX-EN Stopper Station delivers a simple, power-free solution. This indoor emergency and lockdown push button uses pneumatic actuation so it will operate without external electricity, ensuring reliable performance during outages. A built-in horn sounds when the protective cover is lifted and a multicolor 12–24 VAC/VDC LED illumination bar provides clear visual status for staff and monitoring stations.

The SS24A8EX-EN features an adjustable pneumatic timer (2–60 seconds) to prevent nuisance activations and provide consistent timed resets—ideal for access control, emergency exit monitoring, and campus lockdown procedures. Its tamper-resistant cover and robust polycarbonate/stainless steel construction support long-term use in security, surveillance, and building monitoring applications. ADA compliant and UL-recognized (UL508), this Stopper Station installs flush or surface-mounted for flexible deployment.

Add the SS24A8EX-EN to your security or access control plan to improve emergency response and reduce false alarms—contact us to specify for your facility or order today.

• Reliable, power-free actuation: pneumatic operation ensures the Stopper Station works even during power loss, giving continuous protection for security and lockdown applications.
• Clear local alerting: built-in horn and illuminated multicolor LED bar provide immediate audible and visual notification to staff and monitoring systems.
• Configurable timing for controlled response: adjustable pneumatic timer (2–60 seconds) lets you tailor activation duration for access control, evacuation, or monitoring procedures.
• Durable, tamper-resistant design: protective cover prevents accidental activation and triggers the horn when lifted, deterring false alarms and drawing quick attention.
• Flexible installation and compliance: available for flush or surface mount, ADA compliant and UL recognized (UL508) for reliable integration into security and surveillance systems.