Norton Rixson 991M Hazardous Location Wall Electromagnetic Door Holder with 25-40 lbs Holding Force

Norton Rixson 991M Hazardous Location Wall Electromagnetic Door Holder with 25-40 lbs Holding Force

Professional Electromagnetic Door Control for Hazardous Environments

The Norton Rixson 991M electromagnetic door holder is a special purpose, wall-mounted unit specifically designed for hazardous locations. This Grade 1 certified device provides 25-40 lbs holding force with multiple voltage options including 120VAC, 24VAC, 12VAC, 24VDC, and 240VAC. Approved for Class I Division 2, Class II Division 2, Groups F and G, and Class III locations, this unit features a 4" total projection and includes a sealed surface mounted junction box for safe installation in challenging environments.

Professional Features & Benefits

• Hazardous Location Certification: Approved for Class I Division 2, Class II Division 2, Groups F and G, and Class III locations for safe operation in challenging industrial environments.
• Reliable Holding Force: 25-40 lbs holding force provides secure door retention while allowing controlled release when needed.
• Multiple Voltage Options: Compatible with 120VAC, 24VAC, 12VAC, 24VDC, and 240VAC power systems for flexible installation requirements.
• Fail-Safe Operation: Power failure automatically releases door to close, ensuring safety compliance and emergency egress capability.
• Compact Wall Mount Design: 4" total projection minimizes space requirements while providing reliable door holding performance.
• Sealed Junction Box: Includes sealed surface mounted junction box for protected wiring connections in hazardous environments.
• Grade 1 Performance: ANSI/BHMA A156.15 Grade 1 certification ensures commercial-grade durability and reliability.
• Manufacturer Warranty: 2-year limited warranty provides added confidence and protection for professional 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, 12VAC, 24VDC, 240VAC
• Subcategory: Electromechanical Closers & Holders
• Warranty: 2 Year Limited
• Wiring: Surface

Installation & Operation

1. Verify electrical requirements match available power supply. Confirm voltage (120VAC, 24VAC, 12VAC, 24VDC, or 240VAC) and current capacity before proceeding.
2. Disconnect power supply before beginning installation. Follow all applicable electrical codes and safety procedures for hazardous location installations.
3. Mount the unit in the specified wall location ensuring adequate clearance for wiring access, ventilation, and future service requirements while maintaining 4" projection clearance.
4. Route and connect wiring through the sealed surface mounted junction box according to manufacturer wiring diagrams. Use appropriate hazardous location rated wire and connectors.
5. Configure operational settings for fail-safe operation per application requirements and local fire safety codes.
6. Restore power and test all functions including normal holding operation, alarm/smoke detector release, 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 for hazardous location applications.

Professional Applications

• Industrial Facilities with Hazardous Atmospheres
• Chemical Processing Plants
• Pharmaceutical Manufacturing
• Food Processing Facilities
• Paint Spray Booths and Finishing Areas
• Grain Handling and Storage Facilities
• Petrochemical and Refinery Operations

Why Choose Norton Rixson Quality?

Norton Rixson electromagnetic door holders deliver professional-grade reliability with aluminum construction and Grade 1 ANSI/BHMA A156.15 certification for demanding commercial applications. This hazardous location certified unit provides fail-safe operation with 25-40 lbs holding force and comprehensive voltage compatibility. 2-year limited warranty ensures dependable performance in challenging industrial environments where safety and compliance are essential.