Federal Signal 450E-024 - Vibratone Electronic Horn - Fire Regulated 16-33VDC, General Purpose Signal 12-24VDC. Coded or sustained tones. No duty cycle or interval limitations. 99 dBa at 10 feet on axis (109 dBa at 1 meter on axis). Four wire terminal block and supervisory diode. Type 4X when installed with Panel Mount Gasket (included) or optional Non-metallic Weatherproof Backbox (Model WB-NM). Marine Rated. CSFM Approved. UL and cUL Listed. UL Fire Listed and ULC Canadian Fire Listed.
Federal Signal

450E-024

Alternate Item Number: 450e-horn

UPC: 782979231387


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Overview

The Federal Signal 450E-024 Vibratone Electronic Horn is a versatile and robust signaling device designed for both general purpose and fire-regulated applications. Operating on a flexible 12-24VDC voltage range for general use, and 16-33VDC for fire-regulated systems, this horn delivers a powerful 99 dBa output at 10 feet (109 dBa at 1 meter) on axis. Its design supports both coded and sustained tones with no duty cycle or interval limitations, ensuring continuous and reliable alerts. Constructed with a corrosion-resistant polycarbonate housing and polymeric speaker, the 450E-024 is built for durability in harsh industrial environments. It achieves a Type 4X rating when installed with the included panel mount gasket or the optional non-metallic weatherproof backbox (Model WB-NM), making it suitable for wet and dusty conditions. This horn is Marine Rated and boasts extensive certifications including CSFM Approved, UL and cUL Listed, UL Fire Listed, and ULC Canadian Fire Listed, confirming its suitability for critical safety applications. The four-wire terminal block and supervisory diode are ideal for fire alarm system integration. With no detectable RF emissions from 30 MHz to 1000 MHz, it minimizes interference with other electronic devices. The 450E-024 is an excellent choice for general alarming, start and dismissal notices, coded paging, and process control in noisy industrial settings where clear, loud, and dependable audible signals are paramount.
  • Fire Regulated 16-33VDC / General Purpose Signal 12-24VDC
  • Coded or sustained tones with no duty cycle limitations
  • 99 dBa @ 10 feet on axis (109 dBa @ 1 meter on axis)
  • Type 4X rating with included panel mount gasket
  • UL and cUL Listed, UL Fire Listed, ULC Canadian Fire Listed, Marine Rated

Specifications

-65 to 150
DEG F
0.12 at 12VDC/0.22 at 24VDC/0.25 at 16-33VDC
AMP
108
dBa
12-24, 16-33
VDC
12-24VDC, 16-33VDC
V
4.11 H x 4.11 W x 2.79 D
IN
94 at 12VDC/99 at 24VDC/98 at 16-33VDC
DB
98
dBa
Application
Indoor/Outdoor
Brand Name
Federal Signal
Color
Light Gray
Connection Type
Four wire terminal block
dBa at 10ft
98 dBa
dBa at 1M
108 dBa
Dimensions
4.11 H x 4.11 W x 2.79 D IN
Enclosure
Type 4X With Included Gasket or Optional Backbox
Ip Rating
Type 4X
Loudness
94 at 12VDC/99 at 24VDC/98 at 16-33VDC DB
Material
Polycarbonate Housing/Polymeric Speaker
Mounting
Surface
Mounting Type
Panel Mount
Nema Rating
Type 4X
Operating Current
0.12 at 12VDC/0.22 at 24VDC/0.25 at 16-33VDC AMP
Operating Temperature
-65 to 150 DEG F
Operating Voltage
12-24VDC General Purpose/16-33VDC Fire Regulated
Series
Vibratone
Special Features
Loud, Clear and Distinctive Tone
Standard
UL and cUL Listed/UL and ULC Fire Listed/CSFM Approved/Marine Rated
Sub Brand
Vibratone
Type
Electronic Horn
Voltage Rating
12-24, 16-33 VDC
Package Dimensions (L x W x H)
5 IN x 4.5 IN x 5 IN
Package Dimensions (L x W x H)
12.7 cm x 11.43 cm x 12.7 cm
Package Weight (Imperial)
1.300 L
Package Weight (Metric)
0.590 kg
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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.