Federal Signal 304GC-024 - SelecTone 15W Amplified Speaker, Supervised, UL and cUL, 24VDC, Gray
Federal Signal

304GC-024

Alternate Item Number: 304gc-314gc

UPC: 782979208372


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Overview

The Federal Signal SelecTone 15W Amplified Speaker (SKU 304GC-024) delivers reliable 15-watt audio output for industrial public address systems. This supervised amplifier operates on 24VDC power, matching standard industrial electrical systems without requiring additional power supplies. Certified to UL and cUL standards, it meets strict safety and performance requirements for critical environments. The integrated supervision circuit monitors amplifier health, reducing unplanned downtime and maintenance costs in continuous-use applications. Housed in a neutral gray enclosure, it integrates discreetly into facility aesthetics while providing clear, distortion-free voice announcements. Ideal for factory floor paging, safety alerts, and emergency communication systems, this speaker ensures consistent performance across demanding industrial settings. Installation is simplified with standard mounting options and compatibility with existing PA system infrastructure.
  • 15W amplified speaker for clear industrial audio communication
  • 24VDC operation compatible with standard industrial electrical systems
  • UL and cUL certified for safety and performance compliance
  • Supervised amplifier for enhanced reliability and reduced maintenance
  • Neutral gray enclosure for unobtrusive facility integration

Specifications

-40 to 150
DEG F
0 to 108
DB
0.7
AMP
0.7 @ 24VDC Nominal/1.0 @ 24VDC Regulated (16-33VDC)
A
108
dBa
118
dBa
12.4 H x 7.9 W x 8.5 D
IN
15
W
24
VDC
24 Vdc
V
Amperage
0.7 @ 24VDC Nominal/1.0 @ 24VDC Regulated (16-33VDC) A
Application
Indoor/Outdoor
Brand Name
Federal Signal
Color
Gray
dBa at 10ft
108 dBa
dBa at 1M
118 dBa
Dimensions
12.4 H x 7.9 W x 8.5 D IN
Enclosure
Type 3R, IP54
Loudness
0 to 108 DB
Material
Cast Aluminum Housing/Spun Aluminum Projector
Mounting
Surface
Operating Current
0.7 AMP
Operating Temperature
-40 to 150 DEG F
Operating Voltage
24VDC
Series
SelecTone
Special Features
Digital Signal Amplification
Standard
UL Fire Listed/CSFM Approved
Standard
UL Fire
Sub Brand
SelecTone
Type
Amplified Speaker
Voltage Rating
24 Vdc
Wattage
15 W
Package Dimensions (L x W x H)
13.33 IN x 10 IN x 9.75 IN
Package Dimensions (L x W x H)
33.8582 cm x 25.4 cm x 24.765 cm
Package Weight (Imperial)
5.700 L
Package Weight (Metric)
2.586 kg
SelecTone 15W Amplified Speaker, Supervised, UL and cUL, ULC Fire Listed, 24VDC, Gray

304GC-024-CN

SelecTone 15W Amplified Speaker, Supervised, UL and cUL, ULC Fire Listed, 24VDC, Gray
SelecTone 30W Amplified Speaker, Hazardous Location, Supervised, UL and cUL, ULC Fire Listed, 24VDC, Gray

314GC-024-CN

SelecTone 30W Amplified Speaker, Hazardous Location, Supervised, UL and cUL, ULC Fire Listed, 24VDC, Gray
SelecTone 30W Amplified Speaker, Hazardous Location, Supervised, UL and cUL, 24VDC, Gray

314GC-024

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SelecTone 15W Amplified Speaker, Supervised, UL and cUL, ULC Fire Listed, 24VDC, Red

304GC-024-CN-R

SelecTone 15W Amplified Speaker, Supervised, UL and cUL, ULC Fire Listed, 24VDC, Red
SelecTone 15W Amplified Speaker, UL and cUL, 24VAC/DC, Gray

300GC-024

SelecTone 15W Amplified Speaker, UL and cUL, 24VAC/DC, Gray
SelecTone 30W Amplified Speaker, UL and cUL, 24VAC/DC, Gray

302GC-024

SelecTone 30W Amplified Speaker, UL and cUL, 24VAC/DC, Gray
Selectone 15 Watt Amplified Speaker, 24VAC/DC, Black - Available in 24VAC/DC, 120VAC and 240VAC. Built-in gain control, adjustable between 0 dBa to 110 dBa at 10 feet (0 dBa to 120 dBa at 1 meter). Cast copper free aluminum housing, spun aluminum projector. Indoor or outdoor use. Type 3R, IP54 enclosure. Digital signal amplification. Fused input and output. CSFM Approved. UL and cUL Listed.

300GC-024-B

Selectone 15 Watt Amplified Speaker, 24VAC/DC, Black - Available in 24VAC/DC, 120VAC and 240VAC. Built-in gain control, adjustable between 0 dBa to 110 dBa at 10 feet (0 dBa to 120 dBa at 1 meter). Cast copper free aluminum housing, spun aluminum projector. Indoor or outdoor use. Type 3R, IP54 enclosure. Digital signal amplification. Fused input and output. CSFM Approved. UL and cUL Listed.
SelecTone 30 Watt Amplifed Speaker, 24VAC/DC, Black - Available in 24VAC/DC, 120VAC and 240VAC. Built-in gain control, adjustable between 0 dBa to 114 dBa at 10 feet (100 dBa to 124 dBa at 1 meter). Type 3R, IP54 enclosure. Digital signal amplification. Fused input and output. Indoor/outdoor use. CSFM Approved. UL and cUL Listed.

302GC-024-B

SelecTone 30 Watt Amplifed Speaker, 24VAC/DC, Black - Available in 24VAC/DC, 120VAC and 240VAC. Built-in gain control, adjustable between 0 dBa to 114 dBa at 10 feet (100 dBa to 124 dBa at 1 meter). Type 3R, IP54 enclosure. Digital signal amplification. Fused input and output. Indoor/outdoor use. CSFM Approved. UL and cUL Listed.
SelecTone 30W Amplified Speaker, UL and cUL, 120VAC, Gray

302GC-120

SelecTone 30W Amplified Speaker, UL and cUL, 120VAC, Gray
Amplified Speaker, 15W, Supervised, UL Fire, 24VDC, Red

ASHP-024

Amplified Speaker, 15W, Supervised, UL Fire, 24VDC, Red
SelecTone 15W Amplified Speaker, Explosion-Proof, Supervised, UL and cUL CID1, ULC Fire Listed, 24VDC, Gray

304X-024-CN

SelecTone 15W Amplified Speaker, Explosion-Proof, Supervised, UL and cUL CID1, ULC Fire Listed, 24VDC, Gray
SelecTone 15W Amplified Speaker, Hazardous Location, Supervised, UL and cUL, ULC Fire Listed, 24VDC, Gray

304GCX-024-CN

SelecTone 15W Amplified Speaker, Hazardous Location, Supervised, UL and cUL, ULC Fire Listed, 24VDC, Gray

Frequently Asked Questions

What is the voltage specification for the 304GC-024 speaker?

The 304GC-024 is a SelecTone® 15W Amplified Speaker designed for 24VDC power input, with UL and cUL certifications.

What are the key features of this SelecTone® speaker?

The 304GC-024 is a supervised 15W amplified speaker in gray color, suitable for industrial communication applications. It is UL and cUL certified and operates on 24VDC.

What types of industrial environments can this speaker be used in?

The SelecTone® speaker is designed for heavy industrial facilities, including office areas, factory areas, and can be used for plant-wide communication, emergency evacuation, and process control signaling.

What communication capabilities does this speaker have?

The speaker can play multiple tones, voice notifications, pre-recorded messages, and supports voice paging with prioritized inputs.

How to Install the 304GC-024 Speaker

This guide provides step-by-step instructions for installing and configuring the 304GC-024 speaker in a fire alarm system.

Estimated time: 45m

Tools needed:

Screwdriver, Wire strippers, Multimeter

Supplies needed:

Mounting screws, Terminal connectors, 1/2" conduit plugs

  1. Mount the speaker

    Secure the speaker to a flat surface using the appropriate mounting screws. Ensure the speaker is positioned horizontally or slightly downward to prevent water accumulation.

  2. Make electrical connections

    Connect the power source positive (+) lead to one of the (+) terminals and the negative (–) lead to one of the (–) terminals of the connector plug. Ensure that wires are stripped no more than 0.25 inches and avoid loose strands.

  3. Install the tone card

    Plug the desired tone card into the designated socket on the printed circuit board. Ensure the neoprene rubber gasket is properly seated to maintain a proper seal.

  4. Adjust volume settings

    After installation, test the speaker to verify operation. If necessary, adjust the internal volume control using a slotted screwdriver to achieve the desired loudness.

  5. Perform final checks

    Ensure all connections are secure and the housing cover is tightly closed before energizing the circuits. Follow local codes for periodic testing and maintenance.

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.