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Overview
- 120 VAC voltage rating for standard commercial power compatibility
- UL and cUL certified for safety and quality assurance
- Ceiling mount design with robust mounting bracket for easy installation
- Amplified output for clear, high-pressure sound in large spaces
- Durable construction for harsh industrial environments (dust, vibration, temperature extremes)
Specifications
-31 to 151 | DEG F |
0.04 | AMP |
64 to 88 | DB |
7.23 H x 7.23 W x 2.53 D | IN |
88 | dBa |
98 | dBa |
Application | Indoor |
Brand Name | Federal Signal |
Color | White |
dBa at 10ft | 88 dBa |
dBa at 1M | 98 dBa |
Diameter | 7.23 in (183.6 mm) |
Dimensions | 7.23 H x 7.23 W x 2.53 D IN |
Enclosure | Type 1, IP41 |
Loudness | 64 to 88 DB |
Mounting | Ceiling |
Operating Current | 0.04 AMP |
Operating Temperature | -31 to 151 DEG F |
Operating Voltage | 120VAC 50-60Hz |
Special Features | Produces Crisp, Clear Tones, Digital Voice Messages and Live Public Address |
Standard | CSFM,UL,cUL |
Standard | UL Listed/cUL Listed/CSFM Approved |
Standby Current | 0.027 |
Sub Brand | SelecTone |
Type | Amplified Speaker |
Voltage Rating | 120 VAC |
Package Dimensions (L x W x H) | 8 IN x 8 IN x 4.63 IN |
Package Dimensions (L x W x H) | 20.32 cm x 20.32 cm x 11.7602 cm |
Package Weight (Imperial) | 2.300 L |
Package Weight (Metric) | 1.043 kg |

6H
Air Horn With 5-Inch Diameter Diaphragm, 120VAC - Wide variety of tones and sizes. For indoor/outdoor use. Cast aluminum housing. Stainless steel diaphragm. Type 4X enclosure. 20 to 150 PSI (pounds per square inch). Compresses air activation. Tuned for 80 to 90 PSI operation.
506-120-1
6 Inch Vibrating Bell, 120VAC - Includes gong and vibrating mechanism. Can be used in any industrial application to signal danger or for start and dismissal. A variety of mounting accessories will accommodate almost any environment.
3H
Air Horn With 3-Inch Diameter Diaphragm, 120VAC - Wide variety of tones and sizes. For indoor/outdoor use. Cast aluminum housing. Stainless steel diaphragm. Type 4X enclosure. 20 to 150 PSI (pounds per square inch). Compresses air activation. Tuned for 80 to 90 PSI operation.Frequently Asked Questions
What is the SelecTone product family?
SelecTone is a universal solution for industrial public notification, covering communication applications. It includes command units and powered loudspeakers designed for harsh environments.
What happens if a SelecTone device fails?
If one device fails, the SelecTone system will not; other devices will continue to operate. Each speaker and amplifier can also be used for stand-alone signaling.
What components make up a SelecTone system?
A SelecTone system consists of command panels, powered loudspeakers, connector cards, and tone modules for comprehensive industrial signaling.
What is the purpose of SelecTone Connector Cards?
Connector Cards provide communication with the SelecTone Command Unit. They can also add SelecTone speakers and amplifiers to existing public address systems.
What do SelecTone Tone Modules provide?
Tone modules offer a selection of 32 distinct tones via UTM card or custom digital messages in any language with a TM33-SD card.
What are the power options for SelecTone Command Units?
SelecTone Command Units are available with 24V AC/DC, 120VAC, or 240VAC power options.
Are there SelecTone speakers for hazardous locations?
Yes, SelecTone offers 15W and 30W amplified speakers for hazardous locations, including CID2 and explosion-proof CID1 models.
What voltages are available for explosion-proof speakers?
Explosion-Proof 15W and 30W SelecTone speakers are available in 24VAC/DC or 120-240VAC models.
Does SelecTone offer supervised speaker models?
Yes, SelecTone offers supervised 15W amplified speakers, including standard, hazardous location, and explosion-proof models, all operating on 24VDC.
What certifications do Federal Signal products hold?
Federal Signal products meet or exceed UL, cUL, ULC, CSA, ATEX, IECEx, CE, UKCA, and other global certifications.
How to Install the Federal Model 50GCB Selectone® Speaker
This guide provides step-by-step instructions for installing and configuring the Federal Model 50GCB Selectone® Speaker for effective signaling and communication.
Estimated time: 45m
Tools needed:
Screwdriver, Wire strippers, Multimeter
Supplies needed:
Mounting screws (8-32 x 1-1/4"), Wire nuts
- Unpack and Inspect the Unit
Carefully unpack the Model 50GCB and inspect it for any damage that may have occurred during transit. Ensure all parts listed in the kit contents are included.
- Mount the Speaker
Using the R4NB back-box with hanger bracket, secure the speaker to the ceiling with the supplied 8-32 x 1-1/4" screws. Ensure the speaker is level and firmly attached.
- Connect Power Leads
Connect the black power leads to the phase side of the line and the white leads to the common side of the line. Ensure the power is off during this connection to avoid electrical shock.
- Install Tone Module
Insert the tone module into the receptacle at the rear of the 50GCB, ensuring the foil side of the circuit board is facing the speaker. Confirm that the connector is fully inserted and secured.
- Adjust Volume Control
After connecting power, adjust the volume control (R2) to ensure the alarm signal is loud enough. Rotate clockwise to increase the volume.
- Verify Operation
Turn on the power and verify that the speaker operates correctly. Test the sound output to ensure it meets the required specifications.
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.




