SDC HiShear 1561S Series Surface Electromagnetic Shear Lock with 2000lb Holding Force

SDC HiShear 1561S Series Surface Electromagnetic Shear Lock with 2000lb Holding Force

Professional Electromagnetic Security Solution with Patented HiShear Technology

The SDC HiShear 1561S Series electromagnetic shear lock delivers superior security with 2000lb holding force and fail-safe operation for commercial door applications. This surface-mounted lock features patented floating armature assembly with special alloy steel locking tabs, auto-sensing dual voltage (12/24VDC) input, and advanced door alignment relock sensor technology. Designed and engineered in America, the 1561S provides architecturally superior appearance with adjustable vertical and lateral alignment to compensate for door gaps and misalignment.

Professional Features & Benefits

• High Security Holding Force: 2000lb holding capacity provides exceptional security for commercial applications requiring maximum door control.
• Patented HiShear Design: Floating armature assembly with special alloy steel locking tabs on both lock and armature assemblies for superior performance and durability.
• Auto-Sensing Dual Voltage: 12/24VDC operation with automatic voltage detection eliminates installation complexity and provides flexible power options.
• Fail-Safe Operation: Fail-safe locking mechanism ensures secure operation while meeting egress requirements for life safety applications.
• Advanced Door Alignment Technology: Door alignment relock sensor with adjustable vertical and lateral alignment compensates for wide door gaps and warped or misaligned doors.
• Noise Reduction Technology: Integrated noise dampeners greatly reduce locking and unlocking noise compared to other shear locks on the market.
• Surface Mount Design: Surface mounted to push side of out-swing doors for straightforward installation on commercial grade hollow metal, wood doors, metal frames and Herculite doors with top rails.
• Fire Safety Certifications: UL 10C Positive Pressure Fire Tests certified and ULC-S104 compliant for fire-rated door assembly applications.

Technical Specifications

• Battery Operated: No
• Commercial/Residential: Commercial
• Department: Door Hardware
• Duty Level: Heavy Duty
• Electronic: Yes
• Fail-Safe/Fail-Secure: Fail-Safe
• Holding Force: 2000
• Mounting Method: Surface
• Product Category: Electronic Access Controls
• Product Group: Electronic Access Controls
• Product Model: 1561S
• Product Subgroup: Electromagnetic Locks
• Product Substrate: Aluminum
• Product Type: Shear Locks
• Product Voltage: 12/24VDC
• Series: 1561S Series
• Subcategory: Electromagnetic Locks

Professional Applications

• Commercial Building Security Systems
• Healthcare Facility Access Control
• Educational Institution Safety Systems
• Government and Municipal Buildings
• Industrial Facility Monitoring
• Retail Loss Prevention
• Emergency Exit Compliance

Why Choose SDC Quality?

SDC HiShear electromagnetic shear locks are designed, engineered and built in America with patented floating armature technology and special alloy steel construction for superior durability. Certified to UL 10C Positive Pressure Fire Tests and ULC standards, these locks provide professional-grade reliability for demanding commercial applications. Advanced electronic circuitry with door alignment relock sensor and noise dampening technology delivers dependable performance where security and architectural appearance are essential.