Authorized Federal Signal Distributor
Federal Signal 55-120-1 - Resonating Horn, 120VAC, Gray

Federal Signal 55-120-1 Resonating Horn, 120VAC, Gray

Alternate Item Number: 55-and-56-resonating-horns

UPC: 782979228905


Documents & Media
Installation InstructionsLine DrawingSpecification SheetWarranty

Contact for Pricing

Call +1 (262) 252-1600 (toll-free 877-268-3700) or email [email protected] for pricing and availability.

Overview

The Federal Signal 55-120-1 is a resonating horn designed for industrial audible alerts. Operating on 120VAC, this gray horn provides clear sound projection suitable for noisy environments. Its durable housing withstands dust and moisture, ensuring reliable performance in manufacturing plants and warehouses. The resonating design amplifies sound for superior audibility over distances and through ambient noise. Ideal for safety systems, emergency alarms, and operational notifications.
  • Resonating horn for industrial audible alerts
  • 120VAC voltage rating
  • Gray color
  • Durable housing for dust and moisture resistance
  • Amplifies sound for superior audibility

Specifications

-35 to 150
DEG F
0.75
AMP
105
DB
8.0 H x 8.0 W x 19.75 L
IN
Application
Indoor/Outdoor
Brand Name
Federal Signal
Color
Gray
Dimensions
8.0 H x 8.0 W x 19.75 L IN
Enclosure
Type 3R
Loudness
105 DB
Material
Cast Aluminum Housing/Spun Brass Projector
Mounting
Surface
Operating Current
0.75 AMP
Operating Temperature
-35 to 150 DEG F
Operating Voltage
120VAC 60Hz
Series
55-120-1
Special Features
Resonated Column Of Air Generates Sound
Standard
CSA,UL
Standard
UL Listed/CSA Certified
Type
Resonating Horn
Type
Audible Signals
Voltage Rating
120 VAC
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
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Frequently Asked Questions

What is the operating voltage for Model 55-120-1?

Model 55-120-1 operates on 120VAC 60Hz.

What is the current draw for Model 55-120-1?

The current draw for Model 55-120-1 is 0.75 amps.

What is the sound output of Model 55-120-1?

Model 55-120-1 produces 105 dBA at 10 feet and 115 dBA at 1 meter.

What are the dimensions of the Model 55-120-1 horn?

The horn has a height of 7.56 in, a width of 7.56 in, and a length of 23.86 in.

What is the operating temperature range for this horn?

The operating temperature range for Models 55 and 56 is -35°F to 150°F (-37°C to 66°C).

Can Model 55-120-1 be used outdoors?

Yes, Model 55-120-1 is designed for indoor/outdoor use and is weatherproof, water- and dust-tight. It features a Type 3R enclosure.

What is the duty cycle for the resonating horn?

The duty cycle for Models 55 and 56 resonating horns is five minutes on, followed by five minutes off.

What type of conduit connection does it use?

The housings are tapped for 1/2" conduit, and the cable connection point is 1/2" npt Standard Pipe Thread.

What certifications does Model 55-120-1 have?

Model 55-120-1 is UL Listed and CSA Certified.

What is the net weight of the Model 55-120-1?

The net weight of the resonating horn is 5.0 lbs (2.3 kg).

How to Install the 55-120-1 Resonating Horn

This guide provides step-by-step instructions for the proper installation and setup of the 55-120-1 resonating horn, ensuring optimal performance and safety.

Estimated time: 45m

Tools needed:

Screwdriver, Wrench, Wire strippers, Multimeter

Supplies needed:

1/4-20 bolts, Nuts, 3/8 bolts, Lockwashers, Mounting screws

  1. 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.

  2. Install the wall bracket

    Secure the wall bracket to a solid support using suitable bolts or screws, ensuring it is free from vibrations.

  3. Assemble the swivel

    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 adjust the projector to point at least 10° downward and tighten the swivel bolts securely.

  4. Seal the conduit entrance

    Ensure the conduit hole is sealed properly to prevent water ingress. If using rigid conduit, do not clamp it closer than three feet from the horn. For flexible cable, ensure the conduit hole is facing downwards.

  5. Perform a final check

    After installation, verify that all bolts and threaded joints are tightened. Establish a routine check procedure for the sound system to ensure proper operation.

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.