Norton Rixson 900 Electromagnetic Door Holder/Release Armature Base, 1-1/2" Extension, Sprayed Aluminum

Keep doors securely held open when needed and released instantly in alarm conditions with the Norton Rixson 900 electromagnetic door holder armature base. Engineered for commercial security and access control applications, this armature extension delivers consistent magnetic engagement thanks to its 1-1/2" extension and precise mounting between the armature and contact plate. The sprayed aluminum finish provides durable corrosion resistance and a clean silver appearance suited to corridors, stairwells, and entryways monitored by facility surveillance and security systems.

Because it mounts between the armature and contact plate and is compatible with additional extension spacers, the 900-689 offers flexible installation options for retrofits and new builds—minimizing downtime and installation complexity. Use it with magnetic door holders to improve door retention reliability in fire safety, access control, and perimeter monitoring setups. Backed by Norton Rixson (ASSA ABLOY) quality, this armature base helps ensure dependable performance in critical monitoring and security environments. Order the Norton Rixson 900 armature base to streamline installations and enhance door-holding reliability in your facility.

• Provides reliable door retention for safety and access control, reducing accidental closures and improving emergency hold-open performance
• 1-1/2" armature extension allows precise alignment between the armature and contact plate for consistent magnetic engagement
• Sprayed aluminum finish resists corrosion and maintains a professional appearance in high-traffic commercial environments
• Installs between the armature and contact plate and works with extension spacers for flexible mounting on varied door and frame configurations
• Designed by Norton Rixson for compatibility with existing electromagnetic door holders and access control systems, simplifying upgrades and maintenance