SDC 422U 420 Series Illuminated Push to Exit Button Switch, Momentary (MO), SPDT, Green/Red Button, Dull Stainless

Deliver reliable, high-visibility egress control with the Security Door Controls SDC 422U 420 Series illuminated push-to-exit button. Designed as a durable door release button for access control and security installations, the 422U combines a large 2" square actuator and prominent “PUSH TO EXIT” messaging to reduce activation errors and speed occupant egress. The momentary SPDT switch (MO) and selectable 12/24V DC illumination make it compatible with most access control panels, monitoring systems and NFPA-compliant setups. Constructed with a dull stainless steel finish and impact-resistant materials, this push button stands up to heavy use in commercial, healthcare, education and surveillance applications. The standard green illuminated face and included red insert provide clear status indication for staff and first responders. Easy single-gang installation and broad system compatibility mean fewer callbacks and faster deployment on security and networking projects. Add the SDC 422U to your next access control or door release upgrade to improve safety and operational clarity—order now or contact us for integration guidance.

• High-visibility illuminated button (green standard, red included) ensures quick, reliable operation in emergencies and routine access control
• Rugged dull stainless steel face resists vandalism and harsh environments for long service life
• Large 2" square button with clear "PUSH TO EXIT" messaging reduces user error and speeds egress
• SPDT momentary (MO) contact and selectable 12/24V DC illumination for seamless integration with access control, monitoring and alarm systems
• Single-gang form factor simplifies installation and retrofit into commercial, institutional, and security infrastructure