Potter AMS-21-B 3/8" Recessed Contact
Special Order: typically 2–6 weeks
Ships directly from the manufacturer. This is an estimated lead time, not a guaranteed delivery date.
Availability can change and lead times may be longer. If your project has a deadline, check with us before ordering.
A member of our team will check with the manufacturer and personally reply by email.
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Key Features
- Concealed installation for a clean, professional appearance that protects contacts from tampering and improves site aesthetics
- UL-listed reliability to support compliant perimeter security and reduce false alarms for access control systems
- Low-profile 3/8 inch recessed design fits standard openings for doors, sliding doors and windows, simplifying retrofit installs
- 0.63 inch standard gap and Form A (N.O.) contact provides predictable, consistent monitoring performance for alarm panels
- Durable 24 inch lead and Korea-made construction for dependable long-term operation in commercial and institutional applications
Quick Specifications
- Product Model
- AMS-21
- Brand Name
- Potter Electric Signal, LLC
- Product Name
- 3/8" Recessed Contact
- Product Type
- Magnetic Contact
Explore the details
Product information
AMS-21-B
Overview
Secure perimeter openings with a low-profile, tamper-resistant solution. The Potter Electric AMS-21-B recessed magnetic contact is a UL-listed magnetic contact engineered for concealed installation on man doors, sliding doors and windows where discreet, reliable monitoring is required. Its 3/8 inch recessed design and 24 inch lead simplify installation in standard openings while maintaining a consistent 0.63 inch standard gap and Form A (N.O.) contact behavior for dependable alarm and access control signaling. Built for integrated security and surveillance deployments, the AMS-21 (model AMS21B) works seamlessly with alarm control panels, access control systems and CCTV event triggering to help reduce nuisance alarms and improve detection accuracy. Contractors and system integrators will appreciate the clean finish, durable construction and compatibility with common commercial installations. For projects that demand concealed, code-compliant contacts for perimeter monitoring, specify the Potter AMS-21-B to streamline installs and enhance system reliability. Order or add to your next access control or surveillance deployment to strengthen door and window protection.
Features
- Concealed installation for a clean, professional appearance that protects contacts from tampering and improves site aesthetics
- UL-listed reliability to support compliant perimeter security and reduce false alarms for access control systems
- Low-profile 3/8 inch recessed design fits standard openings for doors, sliding doors and windows, simplifying retrofit installs
- 0.63 inch standard gap and Form A (N.O.) contact provides predictable, consistent monitoring performance for alarm panels
- Durable 24 inch lead and Korea-made construction for dependable long-term operation in commercial and institutional applications
| General Information | |
|---|---|
| Brand Name | Potter Electric Signal, LLC |
| Manufacturer | Potter Electric Signal, LLC |
| Product Name | 3/8" Recessed Contact |
| Product Type | Magnetic Contact |
| Product Model | AMS-21 |
| Product Series | AMS-21 |
| Application/Usage | Sliding Door, Window |
| Country of Origin | KR |
| Manufacturer Part Number | AMS21B |
| Technical Information | |
| Contact Form | Form A |
| Standard Gap | 0.63" |
| Product Information | |
| Length | 24.00" |
| Contact Type | NO (Normally Open) |
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Plan your purchase
Is this right for your project?
Confirm the model, required accessories and delivery needs before ordering.
- SKU:
- AMS-21-B
- Manufacturer part:
- AMS-21-B
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 exclusionsPotter AMS-21-B 3/8" Recessed Contact
AMS-21-B