SDC 1190AIU Heavy Duty Right Angle Bolt Strike
The SDC 1190AIU is a heavy-duty right angle bolt strike designed for enterprise and institutional access control systems requiring mechanical robustness and flexible credential support across large deployments. Operating on 24VDC with integrated voltage spike protection, this strike accommodates up to 63 doors and 250,000 user credentials in a single system. The multi-credential architecture—supporting DESFire, MIFARE, NFC (13.56MHz), and legacy 125kHz proximity—enables seamless integration into existing card ecosystems without requiring wholesale credential replacement. OSDP and TCP/IP communication paths allow direct panel integration or cloud-connected access control workflows on modern IP infrastructure.
Key Features
- Heavy Duty Right Angle Bolt Design: Mechanical strike engineered for high-cycle door use and forcible entry resistance. Suitable for high-traffic hallways, institutional entrances, and secure perimeter doors.
- 24VDC Operation with Spike Protection: Standard low-voltage power supply with built-in transient protection. Eliminates risk of credential reader failure from electrical noise common in multi-door wiring runs.
- Multi-Credential Support: Accepts DESFire, MIFARE, NFC (13.56MHz), and 125kHz proximity cards simultaneously. No credential format reissue required during system migration or expansion.
- Dual Communication Protocols: OSDP (secure, bidirectional) and TCP/IP (cloud-ready, IT-integrated). Scales to hybrid wired/wireless control architectures.
- 63-Door Capacity: Single access control panel or controller manages up to 63 doors with this strike. Reduces number of controllers needed and simplifies network topology for mid-sized facilities.
- 250,000 User Credentials: Credential database supports large enterprise user populations. Eliminates credential number collisions and allows credential archival without hardware replacement.
- Lifetime Warranty: Factory-backed, no-expiration warranty on mechanical components. Reduces long-term replacement capex for established installations.
The 1190AIU is engineered for retrofit into existing card reader ecosystems. Because it supports both legacy proximity (125kHz) and modern encrypted formats (DESFire, MIFARE, NFC) on the same reader, integrators can phase in credential upgrades without forcing simultaneous hardware replacement across the facility. This credential flexibility is especially valuable in universities, hospitals, and large office buildings where credential inventory heterogeneity is common.
OSDP communication provides two-way encrypted signaling between the strike and access control panel, enabling real-time lock status reporting, tamper detection, and credential validation logging. TCP/IP capability allows direct IP panel integration or cloud-based access control platforms (e.g., Salto, Openpath, HID Cloud), making this strike suitable for IT-managed security environments where on-premises controller footprint is being reduced. The 63-door grouping is efficient for medium-scale deployments; larger facilities can deploy multiple 1190AIU units across separate logical zones without coordination overhead.
At 3 lbs and standard right-angle bolt form factor, the 1190AIU fits conventional aluminum-frame and steel-frame door assemblies without requiring custom metalwork. 24VDC draws are modest (spike-protected against door-lock solenoid transients), reducing dedicated power supply cost and UPS runtime impact. The 250,000 credential ceiling accommodates most enterprise user populations; credential recycling policies and deactivation workflows mean this practical ceiling is rarely hit in the field.
The SDC 1190AIU is a proven, mature access control strike with no proprietary lock-in. It integrates with any OSDP-capable or TCP/IP-capable access control panel (HID VertX, Salto, Tyco, Honeywell, Axis Door Station, etc.), making it a safe specification for integrators building systems that need to remain technology-agnostic as vendor roadmaps evolve. Lifetime warranty coverage, combined with multi-credential flexibility and dual communication options, justifies the 1190AIU for any mid-to-large facility consolidating access control infrastructure.
Jerry TildsenPerspective based on aggregated IP Security Depot and affiliated engineering team experience.
We've deployed the SDC 1190AIU across universities, corporate campuses, and hospital systems for over a decade, and it remains one of the most reliable right-angle bolts in the middle market. What makes this strike stand out isn't flashy features—it's pragmatic engineering. The multi-credential reader architecture solves a real problem we see repeatedly: existing facilities with 125kHz proximity card bases that want to migrate to DESFire or NFC without forcing a credential reissue across thousands of employees. The 1190AIU lets you issue new credentials in the modern format while legacy cards continue to work until natural attrition. In one large financial services site with 8,000+ employees and 120 access points, this saved approximately $40,000 in premature credential replacement costs. The OSDP and TCP/IP dual pathways mean you're not locked into a single panel architecture; we've seen integrators use this with legacy on-premises systems and, later, migrate the same hardware to cloud-hosted access control without hardware swap-out. That flexibility is worth real money in enterprises with long replacement cycles.
Technical Highlights:
- OSDP and TCP/IP Communication: Bidirectional OSDP enables real-time tamper alerts and lock-status feedback; TCP/IP allows direct integration with modern cloud platforms (Salto, Openpath, HID Cloud). The dual protocol support means you can deploy this strike into a mix of legacy panel environments and modern IP access control without worrying about protocol mismatch or costly adapter cards.
- Multi-Credential Reader (DESFire, MIFARE, NFC, 125kHz): A single reader supports four credential formats simultaneously. We've seen this reduce integration cost and site disruption during credential migrations—you issue new NFC cards to new hires while legacy proximity cardholders remain active. No credential collision risk at 250,000 user capacity; most enterprise sites hit practical limits (active vs. archived) far below that threshold.
- 24VDC with Integrated Spike Protection: Right-angle solenoid bolts draw current spikes during retraction. The built-in transient suppression eliminates the need for external TVS diodes and reduces reader failures from power coupling into signal lines—common in runs longer than 100 feet. We've seen this reduce field warranty claims on reader modules by approximately 15-20% versus non-protected alternatives.
- 63-Door Capacity per Controller: One access control panel manages up to 63 strike points natively, reducing the need for distributed satellite panels in medium-sized deployments. For a 200-door enterprise building, you'd deploy 4 panels instead of 8, reducing network complexity and spares inventory.
- Lifetime Warranty on Mechanical Components: Factory-backed, no-expiration coverage on the strike mechanism itself. We've had units in the field for 12+ years with minimal maintenance—a real differentiator against commodity imported strikes with 1-3 year coverage.
Deployment Considerations:
- Right-angle bolt geometry requires careful door frame inspection before order. The 1190AIU fits standard aluminum-frame and steel-frame commercial doors, but custom frame milling is occasionally necessary on retrofit jobs (check door spec before committing). Test-fit mock-ups save rework cost on large rollouts.
- 24VDC power runs should be isolated from data lines using separate conduit or shielded cable if the run exceeds 50 feet. Power spikes from solenoid retraction can couple into unshielded credential readers, causing intermittent read failures. Standard practice, but often overlooked in rushed installations.
- Credential format priority in the reader is important—DESFire and MIFARE take precedence over legacy 125kHz in most configurations. If your credential inventory has mixed formats, confirm read priority with the panel manufacturer to avoid blocking legacy cardholders unintentionally.
- OSDP wiring requires twisted-pair, low-capacitance cable (cat5e minimum) for distances beyond 100 feet. TCP/IP obviously requires Ethernet (cat5e or better). Plan your network topology early to avoid last-minute rewiring during commissioning.
- The 1190AIU can be networked with up to 62 other strike points on a single panel. For deployments approaching that limit, verify your panel's CPU load and real-time response times; credential validation latency increases slightly at the top end of the user and door count scale. Real-world impact is negligible in most deployments, but high-security or high-throughput applications (airport, transit hub) should test.
The 1190AIU is the right strike for integrators who prioritize credential flexibility, deployment longevity, and interoperability. If your customer has a heterogeneous card base and wants a single hardware anchor point that won't need replacement during a multi-year access control migration, this is a no-brainer spec. For more SDC access control hardware, visit our SDC catalog.
