Norton Rixson 997M Wall Mounted Electromagnetic Door Holder with Concealed Wiring and Tri-Volt Operation

Norton Rixson 997M Wall Mounted Electromagnetic Door Holder with Concealed Wiring and Tri-Volt Operation

Professional Fire-Rated Door Control Solution

The Norton Rixson 997M 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 2-5/8" total projection from the wall.

Professional Features & Benefits

• Compact Wall Mount Design: 2-5/8" total projection with concealed wiring for clean installation in space-constrained applications.
• Tri-Volt Operation: Compatible with 120VAC, 24VAC/DC, and 12VDC systems for flexible integration with existing fire alarm and access control systems.
• Reliable Holding Force: Standard 25-40 lbs. 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 Performance: UL-cUL listed with fire rating up to 3 hours for critical fire separation applications.
• Grade 1 Certification: ANSI/BHMA A156.15 Grade 1 rating ensures commercial-grade durability and performance standards.
• Concealed Wiring Installation: Hidden wiring connections provide professional appearance and protection from tampering.
• Manufacturer Warranty: 2 Year Limited warranty for added confidence and protection.

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 Safety Systems
• Healthcare Facility Corridor Control
• Educational Institution Emergency Egress
• Retail Store Fire Separation
• Industrial Facility Safety Compliance
• Multi-Tenant Residential Fire Doors
• Government Building Security Integration

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 ensure dependable performance in critical fire safety and access control systems. Engineered for commercial applications where reliable door control and fire code compliance are essential.