Federal Signal 50GCB-024 - SelecTone Amplified Speaker, UL and cUL, 24VAC/DC, Ceiling Mount
Federal Signal

50GCB-024

Alternate Item Number: 50gcb-selectone

UPC: 782979394709


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Overview

The Federal Signal SelecTone 50GCB-024 is a UL and cUL certified amplified speaker specifically engineered for ceiling mounting applications within industrial environments. This unit operates on a versatile 24 VAC/DC power supply, offering flexibility in power source selection and thereby simplifying installation procedures. The SelecTone 50GCB-024 is designed to deliver clear, distortion-free audio output, making it an ideal solution for a variety of sound reproduction needs including critical announcements, urgent alarm signals, and ambient background music. Its amplified technology ensures intelligible sound projection across a broad frequency spectrum, guaranteeing that audio messages are heard and understood even in challenging acoustic conditions. The integrated ceiling mount design contributes to a clean and unobtrusive aesthetic within the installation space and also facilitates straightforward maintenance access. Federal Signal, a recognized leader in the field of industrial communications, has developed this product to integrate robust durability with high performance, meeting the rigorous demands of operational environments. The SKU 50GCB-024 represents a dependable and effective choice for facilities that require superior audio solutions for their operational and safety communication needs.
  • UL and cUL certified for safety and compliance
  • 24 VAC/DC voltage rating for flexible power options
  • Ceiling mount design for unobtrusive installation
  • Amplified technology for clear, distortion-free audio
  • Ideal for industrial announcements, alarms, and PA systems

Specifications

-31 to 151
DEG F
0.09 @ 24VDC/0.29 @ 24VAC
AMP
24
VAC/VDC
24VAC/DC
V
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
Mounting Type
Ceiling Mount
Operating Current
0.09 @ 24VDC/0.29 @ 24VAC AMP
Operating Temperature
-31 to 151 DEG F
Operating Voltage
24VDC/24VAC 50-60Hz
Series
SelecTone
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
0.025(24VDC/0.095(24VAC)
Sub Brand
SelecTone
Type
Amplified Speaker
Voltage Rating
24 VAC/VDC
Package Dimensions (L x W x H)
8.5 IN x 8.5 IN x 5 IN
Package Dimensions (L x W x H)
21.59 cm x 21.59 cm x 12.7 cm
Package Weight (Imperial)
2.300 L
Package Weight (Metric)
1.043 kg
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Frequently Asked Questions

What is the SelecTone system?

SelecTone is a comprehensive industrial signaling and plant-wide communication system. It includes command units and powered loudspeakers designed for harsh environments.

What are SelecTone's primary applications?

SelecTone is used for public address, emergency evacuation, factory automation, process control, and start/dismissal signaling in industrial facilities.

What environments are SelecTone products designed for?

SelecTone products are designed for heavy industrial facilities, hazardous locations, and high ambient noise environments. They withstand harsh industrial conditions.

What are the main components of a SelecTone system?

A SelecTone system consists of command units, powered loudspeakers, tone modules, and connector cards. Explosion-proof speakers are also available.

What power options are available for SelecTone Command Units?

SelecTone Command Units are available in 24V AC/DC, 120VAC, or 240VAC power options.

Can SelecTone speakers integrate with existing PA systems?

Yes, Connector Cards can be used to add SelecTone speakers and amplifiers to existing public address systems.

What types of messages can SelecTone systems play?

SelecTone systems can play multiple tones, pre-recorded voice messages, and live PA notifications. Custom digital messages are also supported.

What certifications do Federal Signal products hold?

Federal Signal products meet or exceed standards from UL, cUL, ULC, CSA, ATEX, IECEx, CE, UKCA, and are ISO 9001 Certified.

Are explosion-proof SelecTone speakers available?

Yes, the SelecTone product family includes specialty explosion-proof speakers for hazardous locations classified as CID1.

What happens if a SelecTone device fails?

If one device fails, the SelecTone system will not fail; other devices will continue to operate.

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

  1. Unpack the unit

    Carefully unpack the Federal Model 50GCB and inspect it for any damage that may have occurred during transit. Ensure all parts listed in the kit contents are included.

  2. Mount the speaker

    Using the R4NB back-box with hanger bracket, secure the speaker to the ceiling with the provided 8-32 x 1-1/4" screws. Ensure the speaker is level and firmly attached.

  3. Connect the power

    Connect the black power leads to the phase side of the line and the white leads to the common side of the line. If using a single unit, connect one of the power leads through an on-off switch.

  4. Install the 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. Make sure the connector is fully inserted and secured.

  5. Adjust the volume

    After connecting power, adjust the volume control (R2) by turning it clockwise to increase the volume to an adequate level for signaling.

  6. Verify operation

    Once installation is complete, apply power to the unit and verify that it operates correctly by testing the sound output.

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.