STI SS2021LD-EN Indoor Only Flush or Surface Turn-to-Reset Stopper Station with LOCKDOWN, Red
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Key Features
- Instant, tamper-resistant lockdown activation reduces response time during emergencies
- Turn-to-reset design and protective curved cover prevent accidental alarms and ensure dependable operation
- Interchangeable gold-plated contacts (6A @ 600 VAC / 1A @ 250 VDC) for flexible integration with alarms and access control
- Flush or surface mounting and ADA-compliant form factor simplify installation in corridors, classrooms, and control rooms
- Designed for indoor security use with 120V/230V AC or 30V DC support—reliable in wide temperature ranges
Quick Specifications
- Product Model
- SS2021LD-EN
- Brand Name
- Safety Technology International
- Product Line
- Stopper Station
- Product Name
- Stopper Station SS2021LD-EN Push Button
Explore the details
Product information
SS2021LD-EN
Overview
Provide fast, tamper-resistant lockdown activation for indoor security and emergency response with the Safety Technology International Stopper Station SS2021LD-EN. This indoor-only lockdown push button is built to protect against accidental activation—the curved shell and protective cover ensure intentional use when integrated with alarm panels, access control or monitoring systems. The SS2021LD-EN features a turn-to-reset mechanism for clear event acknowledgement and interchangeable gold-plated SPST contacts rated 6 amps @ 600 VAC or 1 amp @ 250 VDC, giving you flexible wiring options for critical security and surveillance circuits. Designed for both flush and surface mounting and compliant with ADA standards, it fits classroom, office, and control-room environments. With support for 120V/230V AC and 30V DC inputs and rugged materials (PC and stainless steel), the unit performs reliably across wide temperature ranges. Ideal for facility managers, integrators and security teams looking to bolster physical security, lockdown procedures and emergency monitoring. Equip your access control or alarm system with the STI SS2021LD-EN—contact us to specify or order for your next lockdown or emergency response installation.
Features
- Instant, tamper-resistant lockdown activation reduces response time during emergencies
- Turn-to-reset design and protective curved cover prevent accidental alarms and ensure dependable operation
- Interchangeable gold-plated contacts (6A @ 600 VAC / 1A @ 250 VDC) for flexible integration with alarms and access control
- Flush or surface mounting and ADA-compliant form factor simplify installation in corridors, classrooms, and control rooms
- Designed for indoor security use with 120V/230V AC or 30V DC support—reliable in wide temperature ranges
| General Information | |
|---|---|
| Brand Name | Safety Technology International |
| Manufacturer | Safety Technology International, Inc |
| Product Line | Stopper Station |
| Product Name | Stopper Station SS2021LD-EN Push Button |
| Product Type | Push Button |
| Product Model | SS2021LD-EN |
| Product Series | SS2 |
| Manufacturer Part Number | SS2021LD-EN |
| Technical Information | |
| Material | PC, Stainless Steel |
| Application/Usage | Indoor |
| Maximum Timer Duration | 1-Minute |
| Minimum Timer Duration | 2-Second |
| Environmental Conditions | |
| Maximum Operating Temperature | 250°F (121.1°C) |
| Minimum Operating Temperature | -40°F (-40°C) |
| Physical Characteristics | |
| Color | Red |
| Power Description | |
| Input Voltage | 120V AC, 230V AC, 30V DC |
| Product Information | |
| Mount Type | Flush Mount |
| Contact Type | N.C., N.O. |
| Print/Message | Lift Here, Lock Down, Push |
| Warranty | |
| Limited Warranty | 1-Year |
| Miscellaneous | |
| Features | Flush Mount, Surface Mount, Turn-to-Reset |
| ADA Compliant | Yes |
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Is this right for your project?
Confirm the model, required accessories and delivery needs before ordering.
- SKU:
- SS2021LD-EN
- Manufacturer part:
- SS2021LD-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 SS2021LD-EN Indoor Only Flush or Surface Turn-to-Reset Stopper Station with LOCKDOWN, Red
SS2021LD-EN