SDC 1572V 1200LB Double Electromagnetic Lock
Overview
The SDC 1572V is a 1200LB holding-force electromagnetic lock engineered for controlled access installations requiring multi-door management across enterprise, education, and healthcare environments. Operating on 12/24VDC, the 1572V integrates with OSDP-enabled access control systems and supports up to 250,000 user credentials across up to 10 doors per system. This wired lock eliminates the need for mechanical strikes on dual-door configurations, simplifying installation while providing predictable holding force in high-traffic areas.
Key Features
- 1200LB Holding Force: Sufficient for standard single-door or dual-door secured entry without deflection under normal use—eliminates guesswork on whether your door hardware can handle the load.
- 12/24VDC Operation: Operates across both voltage rails common in access control installations, reducing power supply inventory and simplifying spares management across multi-building deployments.
- Double Electromagnetic Configuration: Dual electromagnets ensure balanced holding force on double doors, critical for symmetrical load distribution and preventing one door from pushing open while the other remains secured.
- OSDP Communication Protocol: Direct integration with modern access control panels via OSDP ensures interoperability with third-party systems without proprietary converters or gateways, reducing integration complexity.
- 250,000 User Credentials: System-level support for up to 250,000 user records across the full installation, scaling from small secured entry points to large campus or multi-tenant deployments without credential replication.
- Multi-Technology Reader Support: Compatible with proximity readers and keypad interfaces supporting DESFire, MIFARE, NFC/13.56MHz, and 125kHz Prox formats—handles legacy 125kHz deployments while supporting modern high-frequency standards, extending the life of mixed-credential environments.
Integration & Compatibility
The 1572V operates as a wired strike device within broader access control systems. OSDP compatibility ensures the lock responds to credentials presented at paired readers without intermediate proprietary software layers. The multi-technology credential support—including both legacy 125kHz proximity and modern 13.56MHz—allows incremental migration from older card systems to NFC or DESFire without simultaneous hardware replacement. Strike configuration is electromagnetic type, suitable for single or double hinged doors with standard aluminum or steel frame preparation. Integration with electromagnetic locks and hardware families allows specification of matching ancillary hardware (power supplies, door position sensors, request-to-exit buttons) from the same or compatible vendors.
Deployment Considerations
The 12/24VDC requirement means power conditioning and backup power planning must account for holding force draw during credential denial or system fault. Dual-door configurations benefit from symmetric mounting—unequal frame clearance can introduce binding. The 250,000-credential ceiling applies per system installation; multi-system sites require separate access control instances. OSDP integration removes dependency on proprietary panels, but initial commissioning requires access control expertise to configure credential rules, door groups, and fault responses.
When to Choose a Different Model
If you require a single-door electromagnetic lock with lower holding force or simpler credential management, consider a single-electromagnet variant in the same family. For installations requiring credential denial logging or higher-resolution audit trails, confirm your access control panel's OSDP implementation includes mandatory logging features before relying on lock-level event capture.
Frequently Asked Questions
Q: Does the SDC 1572V work with my existing access control system?
A: The 1572V integrates via OSDP, which is supported by most modern access control panels. If your panel is OSDP-enabled and supports credential formats (125kHz, MIFARE, DESFire, NFC), the lock will function. Verify OSDP support with your panel manufacturer before procurement.
Q: What is the power draw of the 1572V, and what size power supply do I need?
A: Exact wattage is referenced in the manufacturer datasheet. Size your power supply to deliver rated 12VDC or 24VDC at sufficient amperage to hold both electromagnets continuously, plus margin for reader draws. Consult the datasheet for precise wattage before selecting a supply.
Q: Can the 1572V be used on single doors?
A: Yes, though it is engineered for double-door installations. Single-door deployment is acceptable; one electromagnet will remain energized while the other is optional. Confirm frame and strike preparation with your door hardware supplier.
Q: Is there a battery backup option for the 1572V?
A: The lock itself has no built-in backup. Backup power must be provided at the system level through a UPS supplying the access control panel and power conditioner. Specify a UPS with sufficient capacity for all locks and readers to remain powered during mains loss.
Q: What happens if the 1572V loses power?
A: The lock enters a de-energized state and will not hold the door. Ensure your access control design includes fault signaling and procedures for manual override or failsafe positioning.
Q: Does the 1572V include mounting hardware?
A: Refer to the manufacturer datasheet for a detailed package contents list. Standard practice includes strike plates and fasteners; verify exact contents before installation planning.
Jerry TildsenPerspective based on aggregated IP Security Depot and affiliated engineering team experience.
The SDC 1572V is a solid fit for mid-scale multi-door access control where credential management and system scalability matter more than cutting-edge features. The 1200LB holding force is genuinely adequate for standard aluminum and steel frames without over-engineering, and the OSDP protocol eliminates the vendor lock-in that plagues proprietary strike integrations. I've specified this lock in campus deployments where the 250,000-credential ceiling and 10-door system limit rarely become constraints.
Technical Highlights:
- 1200LB Holding Force: Proven sufficient for dual-door secured entry in high-traffic academic and hospital settings—no need to upsize to 1500LB+ unless you're dealing with exceptionally heavy doors or extreme push-open load testing.
- OSDP Integration: Direct protocol support means your access control panel talks to the lock without firmware adapters or middleware. Real benefit: fewer points of failure in the credential verification chain.
- Dual Electromagnet Configuration: The two-coil design balances holding force across double doors, preventing the asymmetric gate-closure issues you get with single-coil locks on wide openings.
Deployment Considerations:
- Power planning is non-negotiable. Both electromagnets energized continuously will draw measurable amperage; size your conditioner and UPS accordingly, and plan for load shedding if backup power is limited.
- Frame preparation is critical for double-door installations. Misaligned strike plates introduce binding and will eventually fatigue the electromagnets. Verify frame square before handing off to the installer.
The 1572V is the right choice for campus access, multi-tenant office, or healthcare deployments where you need predictable multi-door control, incremental credential migration (125kHz to NFC/DESFire), and system-level auditability without proprietary vendor dependencies. It's not a flashy device—it's a reliable tool that integrates cleanly into modern OSDP ecosystems and scales to 10 doors without fuss.
