Norton Rixson 998M Wall Mounted Electromagnetic Door Holder with Tri-Volt Operation and Fire Rating

Norton Rixson 998M Wall Mounted Electromagnetic Door Holder with Tri-Volt Operation and Fire Rating

Professional Fire-Rated Door Control Solution

The Norton Rixson 998M electromagnetic door holder provides reliable wall-mounted door control with concealed wiring and tri-volt operation (120VAC, 24VAC/DC, 12VDC). This Grade 1 certified unit features 25-40 lbs. holding force with fail-safe operation and UL-cUL fire rating up to 3 hours. The compact design requires only a 2" x 4" x 1-3/4" outlet box with 3-5/8" total projection from the wall.

Professional Features & Benefits

• Compact Wall Mount Design: 3-5/8" total projection with concealed wiring for clean installation in 2" x 4" x 1-3/4" outlet box.
• Tri-Volt Operation: Standard 120VAC, 24VAC/DC, and 12VDC compatibility provides flexible power supply options for various system requirements.
• Reliable Holding Force: 25-40 lbs. standard holding force with optional 50-55 lbs. capacity available for heavier door applications.
• Fail-Safe Operation: Power failure automatically releases door to close, ensuring fire safety compliance and emergency egress.
• Fire-Rated Construction: UL-cUL listed with up to 3-hour fire rating for critical fire door applications.
• Grade 1 Certification: ANSI/BHMA A156.15 Grade 1 rating ensures commercial-grade durability and performance standards.
• 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 Fire Door Systems
• Healthcare Facility Corridor Doors
• Educational Institution Safety Systems
• Industrial Facility Fire Separation
• Multi-Tenant Residential Fire Doors
• Government Building Emergency Systems
• Retail Fire Safety Compliance

Why Choose Norton Rixson Quality?

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