STI SS2421LD-EN Stopper Station Push Button with Stopper Station Shield, "Lockdown" Label, Turn-to-Reset Button, Blue
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Key Features
- Instant, confident lockdown activation with a tamper-resistant Turn-to-Reset button that reduces false alarms and speeds response
- Protective flush-mount cover shields the actuator from accidental engagement and physical damage, improving reliability in high-traffic areas
- UL/cUL listed and ADA compliant for code-friendly installation across schools, healthcare, and corporate facilities
- Interchangeable N.O./N.C. gold-plated contact blocks (6A @ 600VAC, 1A @ 250VDC) for flexible integration with access control, alarm and monitoring systems
- Durable PC and stainless steel construction rated for -40°F to 249.8°F, suitable for indoor/outdoor security and surveillance environments
- Blue, clearly marked LOCKDOWN label and lift/push messaging for quick identification during emergency procedures
Quick Specifications
- Product Model
- SS2421LD-EN
- Brand Name
- Safety Technology International
- Product Line
- Stopper Station
- Product Name
- Stopper SS2421LD-EN Push Button
Explore the details
Product information
SS2421LD-EN
Overview
Designed to give staff a clear, reliable method to initiate a lockdown, the Safety Technology International SS2421LD-EN Stopper Station Push Button delivers secure, predictable performance when every second counts. This emergency & lockdown button features a Turn-to-Reset actuator and a protective flush-mount cover to prevent accidental activation while enabling rapid, intentional use. The unit is UL/cUL listed and ADA compliant, making it suitable for code-driven installations in schools, hospitals, government buildings and corporate campuses.
Built for system flexibility, the Stopper Station accepts interchangeable gold-plated contact blocks (supports N.O. and N.C. configurations; rated 6A @ 600VAC or 1A @ 250VDC) so you can integrate it with fire alarms, access control, mass notification and monitoring platforms. Rugged PC and stainless-steel construction and a wide operating temperature range (-40°F to 249.8°F) ensure dependable operation in varied security and surveillance environments. The raised LOCKDOWN label and blue finish make the device easy to locate during an emergency.
Specify the STI SS2421LD-EN for reliable lockdown control in critical response plans — ideal for education, healthcare and commercial security applications. Contact your distributor to order or engineer into your next security system deployment.
Features
- Instant, confident lockdown activation with a tamper-resistant Turn-to-Reset button that reduces false alarms and speeds response
- Protective flush-mount cover shields the actuator from accidental engagement and physical damage, improving reliability in high-traffic areas
- UL/cUL listed and ADA compliant for code-friendly installation across schools, healthcare, and corporate facilities
- Interchangeable N.O./N.C. gold-plated contact blocks (6A @ 600VAC, 1A @ 250VDC) for flexible integration with access control, alarm and monitoring systems
- Durable PC and stainless steel construction rated for -40°F to 249.8°F, suitable for indoor/outdoor security and surveillance environments
- Blue, clearly marked LOCKDOWN label and lift/push messaging for quick identification during emergency procedures
| General Information | |
|---|---|
| Brand Name | Safety Technology International |
| Manufacturer | Safety Technology International, Inc |
| Product Line | Stopper Station |
| Product Name | Stopper SS2421LD-EN Push Button |
| Product Type | Push Button |
| Product Model | SS2421LD-EN |
| Product Series | SS2 |
| Application/Usage | Alarm, Indoor/Outdoor |
| Country of Origin | US |
| Manufacturer Part Number | SS2421LD-EN |
| Environmental Conditions | |
| Maximum Operating Temperature | 249.80°F |
| Minimum Operating Temperature | -40.0°F |
| Physical Characteristics | |
| Color | Blue |
| Material | PC, Stainless Steel |
| Power Description | |
| Input Voltage | 250V DC, 600V AC |
| Product Information | |
| Mount Type | Flush Mount |
| Contact Type | NO/NC (Combination) |
| Print/Message | Lift Here, Lock Down, Push |
| Warranty | |
| Limited Warranty | 3-Year |
| Miscellaneous | |
| Features | Flush Mount, Key Reset |
| ADA Compliant | Yes |
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Plan your purchase
Is this right for your project?
Confirm the model, required accessories and delivery needs before ordering.
- SKU:
- SS2421LD-EN
- Manufacturer part:
- SS2421LD-EN
How do I confirm compatibility?
Check the specifications and manufacturer documents for your existing system. Send us your model numbers and project requirements if you need help selecting equipment or accessories.
Ask a product specialistWhen will this item ship?
Availability is shown above. Special-order items and project quantities may need additional lead time. Contact us to confirm a delivery date before scheduling installation.
Shipping, freight and delivery detailsWhat should I know about returns?
Returns require an approved RMA. Consult the linked return policy for deadlines and eligibility. For standard non-defective returns, eligible factory-sealed items carry a 15% restocking fee and customer-paid return shipping; open-box and used items are refused. Defective and DOA claims follow the policy's separate terms. Special orders and other exclusions are final sale.
Read return eligibility and exclusionsSTI SS2421LD-EN Stopper Station Push Button with Stopper Station Shield, "Lockdown" Label, Turn-to-Reset Button, Blue
SS2421LD-EN