Federal Signal EHORN-024 - Electronic Horn, Dual Tone, UL and cUL, 24VDC
Federal Signal

EHORN-024

Alternate Item Number: ehorn

UPC: 782979233497


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Installation InstructionsLine DrawingSpecification SheetWarranty

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Overview

The Federal Signal EHORN-024 is a dual-tone electronic horn designed for industrial and safety applications. It operates on 24VDC and is UL and cUL Listed. The unit produces two distinct horn tones, replicating Federal Signal's 52 and 55/56 horn tones. Its Type 4X, IP66 housing is constructed from glass-reinforced polycarbonate, offering resistance to UV light and suitability for indoor or outdoor use. The EHORN-024 can be used as a stand-alone audible warning device for applications such as emergency warnings, start/dismissal signals, general alarms, and evacuations. It offers adjustable sound pressure levels (SPL) from 96-117 dBa at 10 feet (106-127 dBa at 1 meter), depending on the selected tone and operating current. Surface mounting is standard, with a U-bracket mount available separately. This horn is also Marine Rated.
  • Dual-tone output replicating Federal Signal 52 and 55/56 horn tones
  • Operates on 24VDC with adjustable SPL from 96-117 dBa (106-127 dBa at 1m)
  • Type 4X, IP66 glass-reinforced polycarbonate housing for indoor/outdoor use
  • UL and cUL Listed, Marine Rated, surface mount standard
  • Used for emergency warnings, alarms, evacuations, and signaling

Specifications

-40 to 150
DEG F
100-116
dBa
110-126
dBa
24
VDC
24 Vdc
V
8.5 H x 8.93 W x 9.6 D
IN
Application
Indoor/Outdoor
Brand Name
Federal Signal
Color
Gray
dBa at 10ft
100-116 dBa
dBa at 1M
110-126 dBa
Dimensions
8.5 H x 8.93 W x 9.6 D IN
Enclosure
Type 4X, IP66
Loudness
Dependent On Selected Voltage And Tone
Material
Glass Reinforced Polycarbonate
Mounting
Surface/Optional U-Bracket
Mounting
Surface
Operating Current
Dependent On Selected Voltage And Tone
Operating Temperature
-40 to 150 DEG F
Operating Voltage
24VDC
Special Features
Produces One Of Two Tones At Three Sound Pressure Levels
Standard
UL Listed/cUL Listed/Marine Rated
Standard
UL,cUL
Type
Electronic Horn
Type
Audible Signals
Voltage Rating
24 Vdc
Package Dimensions (L x W x H)
12 IN x 12 IN x 12 IN
Package Dimensions (L x W x H)
30.48 cm x 30.48 cm x 30.48 cm
Package Weight (Imperial)
13.800 L
Package Weight (Metric)
6.260 kg
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Frequently Asked Questions

What is the operating voltage for the EHORN-024?

The EHORN-024 operates on 24VDC power.

What sound pressure levels does the EHORN-024 produce?

The horn produces 96-117 dBa at 10 feet (106-127 dBa at 1 meter), depending on the selected tone and current.

Is the EHORN-024 suitable for outdoor use?

Yes, the EHORN-024 has a Type 4X, IP66 rated housing, making it suitable for indoor and outdoor use.

What tones does the EHORN-024 replicate?

The EHORN-024 replicates Federal Signal's 52 and 55/56 horn tones.

Is the EHORN-024 Marine Rated?

Yes, the EHORN-024 is Marine Rated.

What certifications does the EHORN-024 have?

The EHORN-024 is UL and cUL Listed.

What mounting options are available for the EHORN-024?

Surface mounting is standard; a U-bracket mount is available separately.

How to Install the EHORN-024 Electronic Horn

This guide provides step-by-step instructions for installing and configuring the EHORN-024 electronic horn, ensuring proper mounting, wiring, and initial setup.

Estimated time: 45m

Tools needed:

Screwdriver, Wire strippers, Multimeter, 3/8-inch socket, 6-inch extension

Supplies needed:

Mounting screws, Terminal connectors, Grommets, Bushings, Wire ties

  1. Mount the eHorn

    Secure the eHorn to a flat surface using the supplied mounting brackets and six 1/4-inch screws. Ensure the eHorn is level and firmly attached.

  2. Connect the Wiring

    Connect the positive (+) lead of the power source to the red wire and the negative (-) lead to the black wire. Ensure power is off during this step to avoid electrical shock.

  3. Select Tone and Volume

    Adjust the tone selection jumper on the tone generator/amplifier board to choose the desired tone. Set the volume by selecting the appropriate taps as per the specifications.

  4. Close the Housing

    Verify that the cover gasket is properly seated, align the housing with the cover, and tighten the cover screws to 60 in-lb +/- 10 in-lb.

  5. Test the Horn

    Apply the appropriate line voltage to the horn power input terminals to activate the horn. Ensure it operates correctly and check for any issues.

Frequently Asked Questions about Federal Signal

What certifications and standards do Federal Signal products comply with?

Federal Signal products are certified across multiple international standards, including UL (Underwriters Laboratories) in the USA, CSA (Canadian Standards Association), CE (European Community), UKCA (United Kingdom), EAC (Russia), and C-Tick (Australia and New Zealand). Their products meet rigorous safety and performance standards for industrial environments, with specific compliance in electrical equipment enclosures, functional safety, and environmental protection ratings.

What is Federal Signal's warranty policy?

Federal Signal offers a comprehensive limited warranty covering most products for 1-5 years from the date of delivery, with specific terms varying by product category. Mechanical sirens, beacons, speakers, and sounders typically receive 5-year parts and labor coverage, while electronic sirens and controllers generally have 2-year warranties. All warranties require return to the factory for service, and on-site services are not included. Certain components like domes, lenses, lamps, and batteries are specifically excluded from warranty coverage.

What industries and applications are Federal Signal products used for?

Federal Signal products are used across multiple critical industrial and municipal sectors for notification, communication, and safety systems. Their product lines cover essential applications including fire alarm systems, public address and telephony, outdoor warning systems, visual and audible signals, and emergency communication networks. Key industries served include manufacturing, municipal emergency services, industrial facilities, and infrastructure environments where clear, reliable communication and safety signaling are paramount.

What technical support does Federal Signal offer?

Federal Signal offers comprehensive technical support through their dedicated [email protected] email and direct phone line at +1 708.534.4756. Their support covers a wide range of notification and communication solutions, including technical assistance for products in public address, telephony, fire alarm, visual and audible signals, outdoor warning systems, and intercoms.

What are the main product lines offered by Federal Signal?

Federal Signal offers comprehensive notification and communication solutions across multiple product lines, including Visual Signals, Audible Signals, Telephony, Intercoms, Fire Alarm, Outdoor Warning Systems, Public Address, and Initiating Systems. Their product range is designed to provide clear communications and critical process notifications that enhance safety and compliance in industrial and public environments.

What are the key features of Federal Signal products?

Federal Signal products are comprehensive notification solutions designed to enhance safety and communication across industrial environments. Their key features include visual and audible signals, fire alarm systems, outdoor warning systems, public address capabilities, telephony, and intercoms. These products provide critical process notifications, ensure safety compliance, and offer advanced technologies like secure encrypted communication, cloud-based control systems, and customizable emergency response interfaces.

What environmental ratings do Federal Signal products have?

Federal Signal products offer robust environmental ratings across multiple standards, including UL 508A, CSA, NEMA, and IEC 60529. Their enclosures are rated for Type 1, 2, 3, 4, 4X, 12, and 13 environments, with IP66 protection, and can operate in temperatures ranging from -40°F to 266°F. These ratings ensure superior protection against dust, water, corrosion, and extreme conditions for indoor and outdoor industrial applications.

What accessories are available for Federal Signal products?

Federal Signal offers multiple accessories for their signaling products, including coupling kits, cable entry adapters, indicator rings, legend plates, and mounting brackets. Key accessories include E-Box endcap kits with M20 and M25 openings, U-Brackets for dual configurations, and color-coded indicator rings in black, blue, green, magenta, red, and yellow. Additional options like adapters for NPT connections and specialized mounting hardware are also available for their Global Series signaling platforms.

What communication protocols do Federal Signal products support?

Federal Signal supports multiple industrial communication protocols including PROFIBUS DP, PROFINET, EtherNet/IP, CANopen, and Modbus RTU. These protocols enable flexible network integration across various industrial automation environments, supporting both traditional fieldbuses and modern Ethernet-based communication standards.

How are Federal Signal products typically installed?

Federal Signal products are typically installed using professional mounting configurations that include wall brackets, base stations, and specialized mounting hardware. Depending on the specific product line—such as outdoor warning systems, visual signals, or audible signals—installation involves precise mounting options like wall-mount antenna brackets, base station radio packages, and modular component assemblies. Each product configuration includes specific mounting accessories like endcaps, adapters, and terminal blocks to ensure secure and compliant installation in industrial and safety-critical environments.