STI SS2221LD-EN Stopper Station Push Button with Stopper Station Shield, "Lockdown" Label, Turn-to-Reset Button, Yellow

When seconds count, the Safety Technology International SS2221LD-EN Stopper Station delivers a simple, reliable way to initiate a lockdown and integrate emergency response into your security plan. This flush-mount lockdown push button features a high-visibility yellow housing, a raised "LOCKDOWN" label and a protective cover to prevent accidental activations while keeping the control accessible during a crisis. The turn-to-reset button gives facilities staff an immediate, tamper-resistant way to confirm and reset an alarm after an event. Built for integration, the SS2221LD-EN accepts interchangeable N.O. and N.C. gold-plated contact blocks (rated up to 6 A @ 600 VAC or 1 A @ 250 VDC) and is UL/cUL Listed and ADA compliant to meet regulatory requirements. Robust PC and stainless-steel materials plus wide operating temperatures make it suitable for indoor/outdoor security, surveillance, and access-control installations. Ideal for schools, corporate campuses, healthcare and retail environments—add the SS2221LD-EN to your emergency and monitoring system for dependable lockdown control.

• Enables calm, decisive lockdown activation to protect people and assets during an emergency
• Protective cover and raised “LOCKDOWN” label reduce accidental activation and improve visibility in high-stress situations
• Turn-to-Reset mechanism simplifies post-event recovery and prevents inadvertent reactivation
• Interchangeable N.O./N.C. gold-plated contact blocks allow flexible integration with alarm, access control, and monitoring systems
• UL/cUL Listed and ADA compliant for code-conforming installation in schools, healthcare, and commercial facilities
• Durable PC and stainless-steel construction with wide operating temperature range for reliable indoor/outdoor security use