Norton Rixson 999M Universal Wall Mounted Electromagnetic Door Holder with Tri-Volt Operation

Norton Rixson 999M Universal Wall Mounted Electromagnetic Door Holder with Tri-Volt Operation

Professional Fire-Rated Door Control Solution

The Norton Rixson 999M electromagnetic door holder provides reliable wall-mounted door control with universal mounting capabilities and tri-volt operation (120VAC, 24VAC/DC, 12VDC). This Grade 1 certified unit features a compact 4-3/8" total projection design and delivers 25-40 lbs. holding force with fail-safe operation for fire safety compliance. UL-cUL fire-rated up to 3 hours and ANSI/BHMA A156.15 Grade 1 certified for demanding commercial applications.

Professional Features & Benefits

• Compact Wall Mount Design: 4-3/8" total projection with universal mounting accommodates 2" x 4" outlet box, 4" square box, or 4" octagonal box installations.
• Tri-Volt Flexibility: Standard 120VAC, 24VAC/DC, and 12VDC operation provides compatibility with various building electrical systems and fire alarm configurations.
• Reliable Holding Force: 25-40 lbs. standard holding force with optional 50-55 lbs. capacity available by specifying voltage requirements for heavy door applications.
• Fail-Safe Fire Protection: Electromagnetic release operation ensures doors close automatically during power failure or fire alarm activation for life safety compliance.
• Grade 1 Durability: ANSI/BHMA A156.15 Grade 1 certification ensures commercial-grade performance and reliability in high-traffic applications.
• Fire-Rated Construction: UL-cUL listed and fire-rated up to 3 hours with CAL FIRE certification for code compliance in fire-rated door assemblies.
• Concealed Wiring: Professional concealed wiring installation maintains clean appearance while providing secure electrical connections.
• 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: Wall
• 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: Concealed

Installation & Operation

1. Verify electrical requirements match available power supply. Confirm voltage (120VAC, 24VAC/DC, or 12VDC) and current capacity before proceeding.
2. Disconnect power supply before beginning installation. Follow all applicable electrical codes and safety procedures.
3. Mount the unit in the specified location ensuring adequate clearance for wiring access, ventilation, and future service requirements.
4. Route and connect wiring according to manufacturer wiring diagrams. Use appropriate wire gauge and connectors for the application.
5. Configure operational settings including fail-safe operation per application requirements.
6. Restore power and test all functions including normal operation, alarm/alert functions, and integration with connected systems.
7. 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 Assembly Integration
• Multi-Tenant Commercial Properties

Why Choose Norton Rixson Quality?

Norton Rixson electromagnetic door holders deliver professional-grade reliability with Grade 1 certification and UL-cUL fire rating up to 3 hours for demanding commercial applications. The 2-year limited warranty and fail-safe operation provide confidence in critical fire safety installations. Engineered for demanding commercial applications where dependable performance and code compliance are essential.