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

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

UL-Listed Industrial Door Release for Fire Safety Applications

The Norton Rixson 972H Industrial Electromagnetic Door Holder provides reliable automatic door release for swinging door applications in industrial and commercial settings. 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 fire safety applications, the 972H automatically releases when triggered by smoke detectors, manual pull stations, or other electrically operated switches.

Professional Features & Benefits

• Heavy-Duty Holding Force: 75 lbs holding capacity provides secure door retention for industrial swinging door 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 Fire Safety Compliance: UL-cUL listed and CAL FIRE approved (3550-0047:0013) as substitute for fusible links in fire safety applications.
• Automatic Release Triggers: Responds to smoke detectors, manual pull stations, test button on unit, or other electrically operated switches for comprehensive safety integration.
• Industrial-Grade Construction: Aluminum finish and heavy-duty design rated for demanding industrial door applications including overhead rolling doors, guillotine doors, and fire dampers.
• ANSI Compliance: Meets ANSI/C00041 standards for professional door control applications.
• 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 (.150 amp for AC, .08 amp for DC) 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 trigger connections for smoke detectors, manual pull stations, and test functions per application requirements.
6. Restore power and test all functions including normal holding operation, automatic release triggers, and integration with 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 Facility Fire Safety Systems
• Commercial Building Emergency Egress
• Warehouse and Distribution Center Safety
• Manufacturing Plant Door Control
• Healthcare Facility Fire Protection
• Educational Institution Safety Systems
• Government and Municipal Building Compliance

Why Choose Norton Rixson Quality?

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