Norton Rixson 972U Industrial Electromagnetic Door Holder with 75 lb Holding Force

Norton Rixson 972U Industrial Electromagnetic Door Holder with 75 lb Holding Force

UL-Listed Industrial Door Release for Overhead Applications

The Norton Rixson 972U Industrial Electromagnetic Door Holder provides reliable automatic release for overhead rolling doors, guillotine doors, fire dampers and self-closing windows. This heavy-duty unit delivers 75 lbs holding force and operates on multiple voltage options including 120VAC, 24VAC, 24VDC, and 12VDC. UL-cUL listed as a substitute for fusible links in industrial applications, ensuring code compliance and safety.

Professional Features & Benefits

• Heavy-Duty Holding Force: 75 lbs holding capacity provides secure door retention for industrial overhead applications.
• Multiple Voltage Options: Compatible with 120VAC/60Hz (.150 amp), 24VAC/60Hz (.150 amp), 24VDC (.08 amp), and 12VDC (.08 amp) for flexible system integration.
• UL-Listed Safety Compliance: UL-cUL listed and CAL FIRE approved (3550-0047:0013) as fusible link substitute for fire safety applications.
• Automatic Release Capability: Triggers from smoke detectors, manual pull stations, test button, or other electrically operated switches for comprehensive safety integration.
• Industrial-Grade Construction: Aluminum finish provides durability for demanding industrial environments with 5 lbs shipping weight.
• Versatile Application Range: Designed for overhead rolling doors, guillotine doors, fire dampers, and self-closing windows in industrial settings.
• Manufacturer Warranty: 2 Year Limited warranty for added confidence and protection.

Technical Specifications

• Application: Industrial Doors
• Commercial/Residential: Commercial
• Department: Door Hardware
• Door Hand Direction: Non-Handed
• Electronic: Yes
• Product Category: Door Controls
• Product Finish: Aluminum
• Product Group: Door Controls
• Product Subgroup: Electromagnetic Door Holder / Releases
• Product Type: Electromagnetic Door Holder / Releases
• Subcategory: Electromechanical Closers & Holders
• Warranty: 2 Year Limited

Installation & Operation

1. Verify electrical requirements match available power supply. Confirm voltage (120VAC, 24VAC, 24VDC, 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 integration with smoke detectors, manual pull stations, and test button functions per application requirements.
6. Restore power and test all functions including normal holding operation, automatic release triggers, and integration with connected fire safety systems.
7. Complete final inspection and document settings. Refer to manufacturer documentation for complete wiring diagrams, programming instructions, and troubleshooting.

Professional Applications

• Industrial Manufacturing Facilities
• Warehouse and Distribution Centers
• Commercial Building Fire Safety Systems
• Overhead Door Access Control
• Fire Damper Integration Systems
• Emergency Exit Compliance Applications
• Self-Closing Window Safety Systems

Why Choose Norton Rixson Quality?

Norton Rixson electromagnetic door holders deliver professional-grade reliability with aluminum construction and UL-cUL listing for demanding industrial applications. The 972U model provides 75 lbs holding force with multiple voltage compatibility and comprehensive fire safety integration capabilities. Backed by a 2 Year Limited warranty, this unit is engineered for critical safety applications where dependable automatic release performance is essential.