SDC Uniflex Series 55-F Heavy Duty 3/4" Mortise Electric Strike with Field Reversible Fail-Safe/Fail-Secure Operation

SDC Uniflex Series 55-F Heavy Duty 3/4"; Mortise Electric Strike with Field Reversible Fail-Safe/Fail-Secure Operation

Professional Access Control Solution for High-Security Applications

The SDC Uniflex Series 55-F electric strike delivers heavy-duty performance for access control of cylindrical locksets, mortise locksets with or without deadbolts, and mortise exit devices. Designed for 3/4"; throw latchbolts and up to 1"; throw deadbolts, this strike features field selectable dual voltage operation at 12/24 VDC with field reversible fail-safe/fail-secure functionality. Built with stainless steel components and heavy cast housing, it’s rated for 1,000,000 endurance cycles and provides 2500 holding force for demanding commercial applications.

Professional Features & Benefits

• Heavy-Duty Durability: Tested to 1,000,000 endurance cycles for long-term reliability in high-traffic commercial applications.
• Superior Holding Force: 2500 holding force with 70 ft-lbs dynamic strength provides exceptional security performance.
• Flexible Power Options: Field selectable dual voltage operation at 12/24 VDC with voltage and current spike protection for various system requirements.
• Field-Reversible Operation: Field selectable fail-safe/fail-secure configuration allows adaptation to specific security requirements without replacement.
• Heavy-Duty Construction: Stainless steel components with heavy cast housing body and keeper provide exceptional durability and corrosion resistance.
• Universal Compatibility: Accepts 3/4"; throw latchbolts and up to 1"; throw deadbolts for versatile lockset compatibility.
• Retrofit-Friendly Design: Fits existing ANSI 4-7/8"; strike prep with no centerline relocation required for easy installation.
• Professional Certifications: UL 1034 Burglary-Resistant, UL 10C Fire Tests, and ANSI/BHMA A156.31 Grade 1 certified for code compliance.

Technical Specifications

• Commercial/Residential: Commercial
• Department: Door Hardware
• Door Type: Hollow Metal
• Dynamic Strength: 70 ft-lbs
• Electronic: Yes
• Endurance Cycles: 1,000,000
• Holding Force: 2500
• Latch Throw: 3/4";
• Product Category: Electronic Access Controls
• Product Group: Electronic Access Controls
• Product Model: 55-F
• Product Subgroup: Electric Strikes
• Product Type: Electric Strikes
• Product Voltage: 12/24 VDC
• Series: 55 Series
• Subcategory: Electric Strikes
• Switch Device: SPDT

Professional Applications

• Commercial Building Security Systems
• Healthcare Facility Access Control
• Educational Institution Safety Systems
• Government and Municipal Buildings
• Industrial Facility Monitoring
• High-Security Retrofit Applications
• Multi-Tenant Commercial Properties

Tamper-Resistant Design

The SDC 55-F features corrosion and tamper resistant construction with internally mounted solenoid and stainless steel components. The heavy cast housing body provides additional protection against unauthorized access attempts while maintaining reliable operation in demanding environments.

Why Choose SDC Quality?

SDC electric strikes deliver professional-grade reliability with stainless steel construction and heavy cast housing rated for 1,000,000 endurance cycles. UL 1034 Burglary-Resistant certification and ANSI/BHMA A156.31 Grade 1 rating ensure code compliance and performance standards. Engineered for demanding commercial applications where dependable access control performance is essential.