
Federal Signal
56-024-1
Alternate Item Number: 55-and-56-resonating-horns
UPC: 782979229506
Documents & Media
Contact for Pricing
Overview
- 24VDC voltage rating for standard DC power supplies
- Gray metal housing resists dust, moisture, and mechanical impacts
- Resonant horn design emits clear, high-intensity audible alerts
- Compact and lightweight for easy mounting in tight spaces
- Manufactured by Federal Signal, a trusted industrial safety brand
Specifications
24 | VDC |
24 Vdc | V |
Color | Gray |
Enclosure | Type 3R |
Material | Metal |
Mounting | Surface |
Operating Temperature | -35D to +150DF (-37D to +66DC) |
Standard | CSA,UL |
Type | Audible Signals |
Voltage Rating | 24 Vdc |
Package Dimensions (L x W x H) | 8.25 IN x 23.38 IN x 9.38 IN |
Package Dimensions (L x W x H) | 20.955 cm x 59.3852 cm x 23.8252 cm |
Package Weight (Imperial) | 6.200 L |
Package Weight (Metric) | 2.812 kg |

TA340-6G5
Heavy Duty 6" Diameter Steel Bell with cast aluminum housing in 24V for Indoor or Outdoor use. Painted with Dawn Mist color and rated for #12-22 AWG. High sound output and ideal for schools or hospitals.Frequently Asked Questions
What is the operating voltage for Model 56-024-1?
The Model 56-024-1 operates on 24VDC.
What is the current draw for the 56-024-1 horn?
The Model 56-024-1 draws 3.00 amps during operation.
What is the decibel output of the Model 56 horn?
Model 56 produces 112 dBA at 10 feet (122 dBA at 1 meter).
What is the enclosure type for the Model 56 horn?
The Model 56 horn features a Type 3R enclosure.
What is the operating temperature range for this horn?
The resonating horns (Models 55 and 56) operate within a temperature range of -35°F to 150°F (-37°C to 66°C).
What is the recommended duty cycle for the horn?
The recommended duty cycle for the horn is 5 minutes ON, followed by 5 minutes OFF.
What size conduit connection does the horn use?
The horn housing is tapped for 1/2 in conduit and uses a 1/2 in npt Standard Pipe Thread for cable connection.
What materials are used for the horn's housing?
The horn features a corrosion-resistant cast aluminum housing and a spun brass projector.
Does the horn come with a mounting bracket?
Yes, a swivel bracket is included with the horn.
What are the dimensions of the Model 56 horn?
The horn has a height of 7.56 in, a width of 7.56 in, and a length of 23.86 in.
How to Install the Resonating Horn Model 55/56
This guide provides step-by-step instructions for safely installing and configuring the Resonating Horn Model 55/56.
Estimated time: 45m
Tools needed:
Screwdriver, Wrench, Wire strippers, Multimeter
Supplies needed:
1/4-20 bolts, Nuts, 3/8 bolts, Lockwashers, Mounting screws
- Mount the housing brackets
Attach the housing brackets to the rear of the horn housing using the three 1/4-20 bolts and nuts provided.
- Install the wall bracket
Secure the wall bracket to a solid support using suitable bolts or screws, ensuring it is free from vibrations.
- Assemble the swivel mechanism
Connect the swivel to the wall bracket and the housing bracket using the two 3/8 bolts and nuts provided. Insert the lockwashers between the swivel and the brackets, then point the projector at least 10° downward and tighten the swivel bolts securely.
- Seal the conduit entrance
If using rigid conduit, ensure it is not clamped closer than three feet from the horn. For flexible cable, position the conduit hole downward. Use a waterproof cable connector for 250VDC applications in dusty or damp conditions.
- Verify installation
After installation, check that all bolts and threaded joints are tightened. Ensure the front of the horn is clear of any obstructions.
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.

