STI SS2421NT-EN Indoor Stopper Station with Shield – Turn-to-Reset Push Button, No Label, ADA Compliant, UL/cUL Listed

Indoor Stopper Station with turn-to-reset push button for emergency access control, egress, and safety applications

Curved protective shell with no label provides a clean, unobtrusive installation while preventing accidental activation

Interchangeable or replaceable N.O. or N.C., SPST gold-plated contact blocks rated 6 amps @ 600 VAC or 1 amp @ 250 VDC for reliable performance

Standard switch includes one N.O. and one N.C. contact, supporting up to three sets of isolated contacts for flexible wiring configurations

Protective cover safeguards the push button from damage and unintended activation

ADA compliant design for accessible emergency activation in commercial, institutional, and public buildings

UL and cUL listed for safe, code-compliant indoor installations

Part of the Stopper Station series, a versatile push-button system suitable for multipurpose indoor applications

The STI SS2421NT-EN Stopper® Station with Shield is engineered for reliable indoor emergency activation, access control, and egress applications. Featuring a turn-to-reset push button, it ensures intentional activation while the curved protective shell prevents accidental presses. Interchangeable SPST gold-plated contact blocks support normally open (N.O.) and normally closed (N.C.) wiring configurations and allow up to three isolated contacts. Its no-label design offers a clean, adaptable look for indoor safety and access control systems. ADA compliant and UL/cUL listed, this Stopper Station is ideal for schools, offices, hospitals, and industrial facilities requiring secure indoor emergency push-button solutions.

Brand: Safety Technology International (STI)

Model: SS2421NT-EN

UPC: 662950501916

Category: Access Control › Egress Devices & Alarms › Emergency & Lockdown Buttons

Mounting: Flush or surface mount capable

Application: Indoor emergency push-button station, access control, and egress systems

Compliance: ADA, UL/cUL listed

Color: Blue

Country of Origin: United States (subject to change)