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Indoor Stopper Station with turn-to-reset push button for emergency access control, egress, and safety applications
Curved protective shell with raised “EMERGENCY EXIT” label helps prevent accidental activation and improves visibility
Interchangeable or replaceable N.O. or N.C., SPST gold-plated contact blocks rated 6 amps @ 600 VAC or 1 amp @ 250 VDC
Standard switch includes one N.O. and one N.C. contact, supporting up to three sets of isolated contacts for flexible installation
Protective cover safeguards button from damage and unintentional activation
ADA compliant design for accessible emergency activation in commercial, institutional, and public buildings
UL and cUL listed for safe, code-compliant installations
Part of the Stopper Station series, a versatile push-button system for indoor multipurpose applications
The STI SS2421EX-EN Stopper® Station with Shield delivers a reliable, multipurpose indoor push-button solution for emergency egress, access control, and safety systems. Its turn-to-reset switch ensures intentional activation while the curved protective housing prevents accidental presses. Interchangeable SPST gold-plated contact blocks support both normally open (N.O.) and normally closed (N.C.) configurations and allow up to three isolated contacts. The prominent “EMERGENCY EXIT” label ensures clear visibility in critical situations. ADA compliant and UL/cUL listed, this Stopper Station is ideal for schools, offices, hospitals, and industrial facilities requiring secure indoor emergency activation.
Brand: Safety Technology International (STI)
Model: SS2421EX-EN
UPC: 662950505891
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)