Alpha 4851-SXT Main Control Unit with Extended Battery Backup, Supports up to Master Stations and 512 Remote Stations
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
- Reliable, uninterrupted intercom operation with extended battery backup to keep communications live during power events
- Scalable platform supporting up to 512 remote stations to simplify growth across campuses, multi‑tenant buildings, and large facilities
- Centralized master control for streamlined monitoring and secure site communications, reducing maintenance time and response delays
- Built to commercial standards (MPN 4851-SXT) and made in the US for consistent quality and dependability
- Integrates with security and access control systems to enhance surveillance, monitoring, and emergency response workflows
Quick Specifications
- Product Model
- 4851-SXT
- Brand Name
- Alpha Communications
- Country of Origin
- US
- Manufacturer Part Number
- 4851-SXT
Explore the details
Product information
4851-SXT
Overview
Keep your facility communications and security systems online and responsive with the Alpha Communications 4851-SXT Main Control Unit — a purpose-built intercom master station solution for demanding commercial and institutional deployments. Designed for continuous operation, the unit includes an extended battery backup that preserves voice, paging, and monitoring capabilities during power interruptions. The 4851-SXT supports up to 512 remote stations, giving you room to expand across multi‑building campuses, residential complexes, or corporate environments without replacing core infrastructure. As Alpha Communications' Main Control Unit (MPN 4851-SXT) and manufactured in the US, it delivers industrial-grade reliability and simplified system management for IT and facilities teams. Easy integration with access control, surveillance, and building monitoring systems ensures coordinated incident response and centralized oversight of site communications. Ideal for installers, property managers, and security integrators who require scalable, resilient intercom networks — contact your Alpha Communications dealer to specify the 4851-SXT for your next security, surveillance, or communications project.
Features
- Reliable, uninterrupted intercom operation with extended battery backup to keep communications live during power events
- Scalable platform supporting up to 512 remote stations to simplify growth across campuses, multi‑tenant buildings, and large facilities
- Centralized master control for streamlined monitoring and secure site communications, reducing maintenance time and response delays
- Built to commercial standards (MPN 4851-SXT) and made in the US for consistent quality and dependability
- Integrates with security and access control systems to enhance surveillance, monitoring, and emergency response workflows
| General Information | |
|---|---|
| Brand Name | Alpha Communications |
| Country of Origin | US |
| Manufacturer Part Number | 4851-SXT |
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Is this right for your project?
Confirm the model, required accessories and delivery needs before ordering.
- SKU:
- 4851-SXT
- Manufacturer part:
- 4851-SXT
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 exclusionsAlpha 4851-SXT Main Control Unit with Extended Battery Backup, Supports up to Master Stations and 512 Remote Stations
4851-SXT