DH-100A-01SQ Armature Plate for Magnetic Door Holders
The DH 100A 01SQ Armature Plate is designed for compatibility with DH 151SQ and DH 171SQ magnetic door holders, providing a dependable replacement or installation component for commercial and industrial door control systems. Built for reliable performance, this armature plate helps maintain secure magnetic holding force when paired with compatible door holders. It is suitable for new installations, maintenance, and replacement applications where dependable operation and long service life are required. Alfa Iris LLC is a trusted provider of professional CCTV surveillance and smart security systems, delivering advanced solutions for industrial, commercial, and high-security environments.
- Compatible with DH 151SQ magnetic door holder
- Works with DH 171SQ magnetic door holder
- Designed for commercial door holding applications
- Ideal for replacement or new installations
- Durable construction for dependable performance
Designed specifically for use with the DH-151SQ surface-mount magnetic door holder for reliable performance.
Compatible with the DH-171SQ flush-mount magnetic door holder for versatile installation applications.
Functions as a replacement or accessory armature plate to maintain proper magnetic door holder operation.
Provides a secure contact surface for dependable magnetic holding performance.
Helps ensure consistent alignment between the magnetic door holder and the door assembly.
Constructed for long-lasting durability in commercial and institutional door-holding applications.
Supports reliable operation of magnetic door holders used with fire and safety door systems.
Engineered for seamless integration with compatible SECO-LARM magnetic door holder models.
Ideal for replacing worn or damaged armature plates without changing the entire door holder assembly.
Designed for straightforward installation with compatible magnetic door holder systems.
Maintains dependable performance for doors requiring controlled hold-open functionality.
Suitable for commercial buildings, schools, hospitals, offices, and other facilities using compatible magnetic door holders.
| MODEL NAME | DH-100A-01SQ Armature Plate |
| PRODUCT TYPE | Armature Plate |
| MANUFACTURER | SECO-LARM U.S.A., Inc. |
| MODEL NUMBER | DH-100A-01SQ |
| APPLICATION | Replacement armature plate for magnetic door holders |
| COMPATIBLE MODEL | DH-151SQ Magnetic Door Holder |
| COMPATIBLE MODEL | DH-171SQ Magnetic Door Holder |
| DEVICE TYPE | Magnetic Door Holder Accessory |
| MOUNTING APPLICATION | Surface and flush magnetic door holders |
| PRIMARY FUNCTION | Provides magnetic contact surface for door holder |
| SYSTEM TYPE | Electromagnetic door holding system |
| DOOR COMPATIBILITY | Swing doors equipped with compatible magnetic holders |
| INSTALLATION | Replacement or new installation |
| MATERIAL | Metal construction |
| FINISH | Factory finish |
| CORROSION RESISTANCE | Designed for long-term durability |
| OPERATION | Passive mechanical accessory |
| POWER REQUIRED | None |
| ELECTRICAL CONNECTION | Not required |
| MOVING PARTS | None |
| USE LOCATION | Indoor applications |
| ACCESS CONTROL USE | Yes |
| FIRE DOOR SUPPORT | Compatible with magnetic door holder systems used on fire doors |
| REPLACEMENT PART | Yes |
| ACCESSORY CATEGORY | Door Holder Component |
| COMPATIBILITY TYPE | Model-specific |
| INSTALLATION METHOD | Mechanical mounting |
| MOUNTING POSITION | Door surface |
| MAGNETIC CONTACT | Designed for secure magnetic engagement |
| MAINTENANCE | Minimal maintenance required |
| DURABILITY | Heavy-duty construction |
| WEAR RESISTANCE | Designed for repeated magnetic contact |
| INSTALLATION ENVIRONMENT | Commercial and institutional buildings |
| COMPONENT PURPOSE | Completes magnetic holding assembly |
| OPERATING PRINCIPLE | Magnetic attraction |
| SECURITY APPLICATION | Door control systems |
| BUILD QUALITY | Professional-grade construction |
| OEM PART | Yes |
| PRODUCT CATEGORY | Access Control Hardware |
| INSTALLATION COMPATIBILITY | Designed for SECO-LARM magnetic door holders |
| DESIGN PURPOSE | Reliable magnetic holding performance |
| SERVICEABILITY | Easy replacement component |
| HARDWARE TYPE | Armature Plate Assembly |
| SYSTEM INTEGRATION | Works with magnetic door holding systems |
| APPLICATION TYPE | Commercial access control |
| RECOMMENDED USE | Replacement for worn or damaged armature plates |
| PACKAGE CONTENTS | Armature Plate |
| CERTIFICATION COMPATIBILITY | For use with UL Listed compatible door holders |
| MANUFACTURER SUPPORT | SECO-LARM product support |
| COUNTRY OF BRAND | United States |
| PRODUCT DESCRIPTION | Armature plate designed for use with DH-151SQ and DH-171SQ magnetic door holders. |
DH-100A-01SQ Armature Plate from SECO-LARM is a replacement armature plate designed specifically for use with the DH-151SQ Surface-Mount and DH-171SQ Flush-Mount Magnetic Door Holders. Engineered for dependable performance, it provides the secure magnetic contact required for proper door holder operation in commercial, institutional, and industrial applications.
Reliable Replacement for Magnetic Door Holders
Manufactured for compatibility with SECO-LARM magnetic door holder systems, the DH-100A-01SQ restores optimal holding performance when replacing worn or damaged armature plates. Built from durable materials, it is designed to withstand everyday use while maintaining consistent magnetic engagement for fire doors and other controlled access doors.
- Replacement armature plate for magnetic door holders
- Compatible with DH-151SQ and DH-171SQ models
- Provides reliable magnetic contact for secure door holding
- Durable construction for long service life
- Ideal for maintenance, repairs, and new installations
Easy Integration and Dependable Performance
The DH-100A-01SQ is designed for quick installation with compatible SECO-LARM magnetic door holders, making it an ideal solution for facility managers, contractors, and security professionals. It helps maintain reliable operation of magnetic door holding systems commonly used in commercial buildings, schools, healthcare facilities, and other public spaces.
- Commercial office buildings
- Schools and educational facilities
- Hospitals and healthcare environments
- Industrial and institutional buildings
- Fire door magnetic holding systems
Professionals looking for a replacement armature plate for SECO-LARM magnetic door holders can rely on the DH-100A-01SQ for dependable compatibility, durability, and long-lasting performance.
Technical Specifications
- Model: DH-100A-01SQ
- Product Type: Armature Plate
- Compatibility: DH-151SQ Surface-Mount Magnetic Door Holder
- Compatibility: DH-171SQ Flush-Mount Magnetic Door Holder
- Application: Replacement armature plate for magnetic door holders
- Construction: Durable metal construction
- Installation: Direct replacement for compatible SECO-LARM door holders






