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Norton Rixson
Norton Rixson 1/2" Armature Extension for Electromagnetic Door Release
Restore smooth, reliable hold-open performance to your corridor doors with the Norton Rixson 900-50-689 replacement parts kit. Engineered for the 900 Series electromagnetic door holders, this OEM assembly refreshes the armature/release side of the system so doors stay firmly held during normal operation and instantly release when power is removed or the fire alarm activates.
Ideal for healthcare, education, hospitality and commercial facilities, the 900-50-689 delivers the durability and consistency building managers expect—backed by Norton Rixson’s commercial-grade hardware heritage.
Features
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Direct OEM replacement for Norton Rixson 900 Series electromagnetic door holders.
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Restores hold & release action—keeps doors open under magnet power, releases on alarm or power loss.
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Swivel/adjustable armature design helps self-align to the magnet for strong, quiet contact.
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Includes mounting hardware for standard commercial door materials (wood, hollow metal, aluminum).
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Durable, low-maintenance construction designed for high-traffic environments.
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Architectural finish 689 (Aluminum Painted) for a clean, professional look.
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Code-friendly usage when paired with listed 900 Series holders for smoke/fire barrier applications.
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Fast retrofit—fits existing 900 Series prep with minimal downtime.
Specifications
| Attribute | Details |
|---|---|
| Manufacturer | Norton Rixson |
| Series | 900 Series (Electromagnetic Door Holders) |
| Part Number | 900-50-689 |
| Description | Replacement armature / release side parts kit for 900 Series holders |
| Finish | 689 – Aluminum Painted |
| Compatibility | All standard Norton Rixson 900 Series electromagnetic holders (wall/floor/surface box variants as applicable) |
| Function | Provides the door-mounted armature assembly that couples to the magnet; releases when power is interrupted |
| Application | Interior corridor doors in commercial/institutional buildings |
| Mounting | Door leaf (armature side); includes fasteners for typical commercial doors |
| Operating Mode | Hold-open under power; release on power loss or fire-alarm signal (via holder) |
| In the Box* | Armature plate/assembly, swivel hardware, bumper/keeper as applicable, screw pack/through-bolts |
| Warranty | Manufacturer’s limited warranty |
Manufacturer Resources
Product Specs
- Condition:
- New
- Application:
- Industrial Doors
- Product Group:
- Door Controls
- Product Subgroup:
- Electromagnetic Door Holder / Releases
- Product Type:
- Electromagnetic Door Holder / Releases
- Subcategory:
- Electromechanical Closers & Holders
- Commercial/Residential:
- Commercial
- Electronic:
- Yes
- Product Finish:
- Aluminum
- Door Hand Direction:
- Non-Handed
- Product Category:
- Door Controls