SDC 55-AU UniFLEX 55 Series Mortise 3/4" Latchbolt Electric Strike, 12/24VDC, Dull Stainless

Optimize perimeter security and simplify retrofits with the Security Door Controls UniFLEX 55-AU electric strike. Designed as a heavy-duty solution for mortise locksets and cylindrical hardware, this UniFLEX 55 Series strike accepts up to a 3/4" latchbolt and installs cleanly in hollow metal frames without centerline relocation—ideal for high-security doors, server rooms, and monitored entry points. With 12/24VDC compatibility and field-changeable failsafe/fail-secure modes, the 55-AU adapts to varied access control schemes and emergency procedures while integrating seamlessly with your security, surveillance, and building management systems. Constructed from stainless steel with ANSI A156.31 Grade 1 compliance and a 2500 lb holding strength, it resists corrosion and delivers dependable performance under heavy use. Non-handed design and multiple faceplate options reduce installation time and retrofit complexity for facilities managers and integrators. For reliable access control where durability and flexibility matter, choose the Security Door Controls UniFLEX 55-AU electric strike—perfect for commercial, institutional, and critical infrastructure applications. Contact your supplier or order now to upgrade your security perimeter.

• Streamline high-security installations with a heavy-duty electric strike that supports mortise locksets and up to 3/4" latchbolts for minimal retrofit work
• Field-selectable failsafe or fail-secure operation gives you flexible access control and uninterrupted security policies
• Durable stainless steel construction and 2500 lb holding strength deliver long-term corrosion resistance and reliable door retention
• Dual-voltage 12/24VDC compatibility simplifies integration with existing power supplies and access control systems
• Non-handed design and multiple faceplate options reduce installation time and avoid costly frame modifications