Norton Rixson 981M Floor Mounted Electromagnetic Door Holder with Tri-Volt Operation for Back-to-Back Doors
Professional Electromagnetic Door Control Solution
The Norton Rixson 981M electromagnetic door holder is a floor-mounted unit specifically designed for two back-to-back doors. This commercial-grade door control system features tri-volt operation (120VAC, 24VAC/DC, 12VDC) with 25-40 lbs. holding force and requires 8-1/4" floor space for installation. The unit provides fail-safe operation with concealed wiring and meets ANSI/BHMA A156.15 Grade 1 standards for professional applications.
Professional Features & Benefits
- Floor Space Requirements: Compact 8-1/4" floor space requirement allows installation in tight spaces while accommodating back-to-back door configurations.
- Tri-Volt Operation: Flexible power options including 120VAC, 24VAC/DC, and 12VDC provide compatibility with various electrical systems and installation requirements.
- Holding Force Options: Standard 25-40 lbs. holding force with optional 50-55 lbs. capacity available by specifying voltage requirements for demanding applications.
- Fail-Safe Operation: Power failure automatically releases doors to close, ensuring life safety compliance and emergency egress functionality.
- Concealed Wiring Installation: Floor-mounted design with direct conduit connection to floor plate eliminates exposed wiring for clean, professional appearance.
- Grade 1 Certification: ANSI/BHMA A156.15 Grade 1 rating ensures commercial-grade durability and performance standards.
- Fire-Rated Construction: UL-cUL fire-rated up to 3 hours with CAL FIRE certification for code compliance in fire-rated assemblies.
- Manufacturer Warranty: 2-year limited warranty provides added confidence and protection for commercial installations.
Technical Specifications
- ANSI/BHMA: ANSI/BHMA A156.15, Grade 1
- Application: Commercial Doors
- Commercial/Residential: Commercial
- Department: Door Hardware
- Door Hand Direction: Non-Handed
- Electronic: Yes
- Grade: Grade 1
- Mounting Method: Floor
- Product Category: Door Controls
- Product Finish: Aluminum
- Product Group: Door Controls
- Product Subgroup: Electromagnetic Door Holder / Releases
- Product Type: Electromagnetic Door Holder / Releases
- Product Voltage: 120VAC, 24VAC/DC, 12VDC
- Subcategory: Electromechanical Closers & Holders
- Warranty: 2 Year Limited
- Wiring: Surface
Installation & Operation
- Verify electrical requirements match available power supply. Confirm voltage (120VAC, 24VAC/DC, or 12VDC) and current capacity before proceeding.
- Disconnect power supply before beginning installation. Follow all applicable electrical codes and safety procedures.
- Mount the unit in the specified floor location ensuring adequate clearance for wiring access, ventilation, and future service requirements.
- Route and connect wiring according to manufacturer wiring diagrams. Use appropriate wire gauge and connectors for the application.
- Configure operational settings including fail-safe operation per application requirements.
- Restore power and test all functions including normal operation, alarm/alert functions, and integration with connected systems.
- Complete final inspection and document settings. Refer to manufacturer documentation for complete wiring diagrams, programming instructions, and troubleshooting.
Professional Applications
- Commercial Building Security Systems
- Healthcare Facility Access Control
- Educational Institution Safety Systems
- Industrial Facility Monitoring
- Emergency Exit Compliance
- Fire-Rated Door Assemblies
- Multi-Tenant Commercial Properties
Why Choose Norton Rixson Quality?
Norton Rixson electromagnetic door holders deliver professional-grade reliability with aluminum construction and Grade 1 ANSI/BHMA certification for demanding commercial applications. UL-cUL fire-rated up to 3 hours with 2-year limited warranty coverage. Engineered for dependable performance in life safety and security applications where reliable door control is essential.
Manufacturer Resources
Product Specs
- Condition:
- New
- Grade:
- Grade 1
- Warranty:
- 2 Year Limited
- ANSI/BHMA:
- ANSI/BHMA A156.15, Grade 1
- Product Group:
- Door Controls
- Product Subgroup:
- Electromagnetic Door Holder / Releases
- Product Type:
- Electromagnetic Door Closers
- Subcategory:
- Electromechanical Closers & Holders
- Commercial/Residential:
- Commercial
- Electronic:
- Yes
- Application:
- Commercial Doors
- Wiring:
- Surface
- Product Voltage:
- 120VAC, 24VAC/DC, 12VDC
- Product Finish:
- Aluminum
- Door Hand Direction:
- Non-Handed
- Mounting Method:
- Floor
- Product Category:
- Door Controls
- Department:
- Door Hardware