STI SS20A8EX-EN Stopper Station Button with Shield and Sound, Pneumatic Illuminated, EMERGENCY EXIT Label, Red

For secure, controlled emergency egress and access control, the Safety Technology International SS20A8EX-EN Stopper Station delivers a durable, tamper-resistant solution. This pneumatic Stopper Station door release button combines a protective curved shield, raised EMERGENCY EXIT label and an integrated horn to minimize accidental activations while providing clear audible and visual alerts for monitoring and security teams. The pneumatic adjustable timer (2–60 seconds) offers precise timed resets without requiring electrical power at the push point, and the unit’s 10-amp resistive switch rating at 120–240VAC supports direct integration with door strikes, maglocks and building control panels. Multicolor LED illumination (12–24VAC/VDC) ensures visibility in low-light areas and can be matched to site status conventions. As part of the Stopper® Station series, the SS20A8EX-EN is ADA compliant and UL508 recognized, making it ideal for commercial, institutional and high-traffic security zones where reliable emergency exit control, surveillance integration and system monitoring are critical. Add this Stopper Station to your access control or security specification to enhance safety and reduce false alarms — contact us to order or consult on system integration.

• Protects emergency exits and reduces false activations with a curved shield and audible horn for dependable access control
• Pneumatic operation requires no electrical power at the push button, providing reliable actuation and a failsafe timed reset (2–60s adjustable)
• Bright multicolor LED illumination (12–24VAC/VDC) improves visibility and system status feedback for security and monitoring teams
• 10A switch rating (resistive at 120–240VAC) supports integration with door strikes, maglocks and building control systems
• ADA-compliant and UL508 recognized, designed for indoor security, surveillance and commercial access control environments