Description
The Eaton Wheelock EL4XHN-NR is an outdoor fire alarm horn designed for commercial life-safety notification systems. It provides high-output audible signaling in a rugged red enclosure for outdoor, wet, dusty, and corrosive environments.
The horn supports wall or ceiling mounting and includes a matching NEMA 4X surface backbox. The NR suffix identifies the red model with no lettering.
Product Functions
- Audible fire alarm notification
- Indoor or outdoor operation
- Wall or ceiling mounting
- Continuous, Temporal 3, or T3/T4 signaling
- Field-selectable high or low sound output
- Operation on supervised notification appliance circuits
Electrical & System Information
The EL4XHN-NR operates on regulated 12 or 24 VDC/FWR notification appliance circuits.
Features
- NEMA Type 4X enclosure
- IP66 dust and water protection
- Tested to IP67
- Three selectable horn patterns
- High or low dBA output
- Pre-wire and pre-test backbox
- No visible mounting screws
- Red housing with no lettering
Mounting & Design
The horn installs on the included EL4XBB-R red surface backbox. Its hinged, self-supporting mounting design simplifies wiring, testing, and final installation.
Protection & Applications
Suitable for:
- Building exteriors
- Parking garages
- Loading docks
- Outdoor pools
- Industrial facilities
- Cold-storage areas
- Food-processing plants
- High-humidity locations
- Transportation facilities
Compatibility
The EL4XHN-NR is compatible with regulated fire alarm notification appliance circuits and equipment approved for Wheelock RSS-based products.
Synchronization options may include Wheelock DSM modules, compatible power supplies, SAFEPATH equipment, and control panels with built-in Wheelock synchronization.
Technical Specifications
Manufacturer: Eaton Wheelock
Series: Eluxa Outdoor
Model: EL4XHN-NR
Product Type: Outdoor Fire Alarm Horn
Color: Red
Lettering: None
Mounting: Wall or Ceiling
Operating Voltage: 8–17.5 VDC/FWR or 16–33 VDC/FWR
Horn Patterns: Continuous, Temporal 3, T3/T4
Sound Output: High or Low, Field Selectable
Environmental Rating: NEMA 4X, IP66; Tested to IP67
Operating Temperature: -40°F to 150°F (-40°C to 66°C)
Relative Humidity: Up to 95%
Wire Size: 12–18 AWG
Included Backbox: EL4XBB-R
Listings: UL 464, ULC S525, FM, CSFM
Applications
The Eaton EL4XHN-NR is commonly used in commercial fire alarm systems requiring dependable audible notification in outdoor or harsh indoor environments.




