STI SS2221NT-EN Indoor Only Flush or Surface Turn-to-Reset Stopper Station with No Text, Yellow

For facilities that require a dependable, easy-to-use emergency actuator, the Safety Technology International SS2221NT-EN Stopper Station delivers a purposeful, low-profile solution for lockdown and alarm activation. This indoor push-button station is engineered for security and monitoring applications—its turn-to-reset action gives staff a clear, deliberate method to trigger or reset an alarm without ambiguity. Built to integrate with existing systems, the SS2221NT-EN accepts interchangeable N.O. and N.C. contact blocks and supports common input voltages (120V AC, 230V AC, 30V DC), making wiring to access control and alarm panels straightforward. UL/cUL listing and ADA compliance reduce installation risk and help meet regulatory expectations. The yellow polycarbonate housing, stainless hardware and protective cover minimize accidental activations and increase visibility in corridors, server rooms, classrooms, and critical infrastructure spaces. Ideal for security, surveillance and emergency monitoring environments, this stopper station balances durability with professional aesthetics. Specify the SS2221NT-EN for reliable lockdown control—order now to fortify your facility's emergency response and monitoring setup.

• Quick, confident emergency activation: turn-to-reset design provides an unmistakable manual action for lockdowns and alarm triggers, reducing hesitation during critical events.
• Built for reliability in security systems: UL/cUL listed and ADA compliant for dependable performance in monitored areas and compliance-driven installations.
• Flexible integration: interchangeable N.O./N.C. contact blocks and support for flush or surface mounting simplify wiring to access control, alarm panels, and monitoring systems.
• Durable, tamper-resistant construction: polycarbonate body, stainless hardware and a protective cover prevent accidental activation and withstand daily use in high-traffic environments.
• Visible, safety-focused design: high-visibility yellow housing improves discoverability during emergencies and aligns with facility safety standards.