SDC 423U 420 Series Illuminated Push to Exit Button Switch, Electronic Timer, Adjustable (1-60 seconds), DPDT, Green/Red Button, Dull Stainless

Optimize egress and access control with the Security Door Controls SDC 423U 420 Series illuminated push-to-exit button. Designed for commercial, healthcare, education and retail environments, this door release button delivers a conspicuous 2" illuminated green/red actuator that improves user recognition and reduces exit delays during high-traffic or emergency conditions. The built-in electronic timer is adjustable from 1 to 60 seconds, giving installers precise control over door release duration to match security and monitoring requirements. With DPDT contacts and selectable 12/24V DC illumination, the 423U integrates cleanly into existing access control, surveillance or building automation systems. Finished in durable dull stainless steel with impact-resistant construction and single‑gang mounting, it withstands frequent use while maintaining a professional look. Backed by a 5-year limited warranty, the SDC 423U helps lower maintenance costs and supports reliable perimeter control. Ideal for retrofit projects or new installations—add the SDC 423U to your security hardware lineup today to strengthen access control and emergency egress.

• Provides clear, code‑compliant egress with a highly visible 2" illuminated green/red button that reduces user hesitation and speeds exit
• Adjustable electronic timer (1–60 seconds) lets integrators tailor door release duration to site access-control and security policies
• DPDT switching and 12/24V DC illumination offer wiring flexibility for diverse access control, surveillance and monitoring systems
• Rugged dull stainless steel faceplate and impact‑resistant button ensure long life in high-traffic commercial and institutional environments
• Simple single‑gang installation with 6" wire leads and a 5‑year limited warranty minimizes downtime and total cost of ownership