Norton Rixson 990M Low Projection Wall Electromagnetic Door Holder with 1-13/16" Profile and Tri-Volt Operation

Norton Rixson 990M Low Projection Wall Electromagnetic Door Holder with 1-13/16" Profile and Tri-Volt Operation

Professional Low-Profile Electromagnetic Door Control Solution

The Norton Rixson 990M electromagnetic door holder delivers reliable door control with an ultra-low 1-13/16" total projection for space-constrained applications. This wall-mounted unit features tri-volt operation (120VAC, 24VAC/DC, 12VDC) with 25-40 lbs. holding force and fail-safe operation that releases doors during power failure or alarm activation. ANSI/BHMA A156.15 Grade 1 certified with UL-cUL fire rating up to 3 hours for commercial door control applications.

Professional Features & Benefits

• Ultra-Low Profile Design: 1-13/16" total projection minimizes space requirements between door and wall for tight installation areas.
• Tri-Volt Flexibility: Standard 120VAC, 24VAC/DC, and 12VDC operation accommodates various electrical system requirements without additional transformers.
• Reliable Holding Force: 25-40 lbs. standard holding capacity with optional 50-55 lbs. force available for heavier door applications.
• Fail-Safe Operation: Automatic door release during power failure or alarm activation ensures safe egress and fire safety compliance.
• Concealed Wiring Installation: Professional appearance with hidden wiring connections through standard 2" x 4" x 2-1/2" outlet box mounting.
• Grade 1 Certification: ANSI/BHMA A156.15 Grade 1 rating ensures commercial-grade durability and performance standards.
• Fire-Rated Construction: UL-cUL listed with CAL FIRE certification for up to 3-hour fire-rated door 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: 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
• Fire Safety and Emergency Egress Systems
• Retail Loss Prevention
• Industrial Facility Monitoring
• Government and Municipal Buildings

Why Choose Norton Rixson Quality?

Norton Rixson electromagnetic door holders deliver professional-grade reliability with aluminum construction and ANSI/BHMA Grade 1 certification for demanding commercial applications. UL-cUL fire rating up to 3 hours and 2-year limited warranty ensure dependable performance where safety and code compliance are essential. Engineered for commercial door control applications where space constraints and reliable operation are critical requirements.