
Contact for Pricing
Overview
- 15W amplified output for clear audio in high-noise areas
- Explosion-proof construction meets UL and cUL CID1 standards
- 24VDC power supply compatible with industrial systems
- Supervised design with built-in monitoring for operational safety
- Gray industrial-grade enclosure resists dust, moisture, and impact
Specifications
-40 to 150 | DEG F |
0.7 | A |
108 | dBa |
118 | dBa |
15 | W |
17.0 H x 13.1 W x 16.3 D | IN |
24 | VDC |
24 Vdc | V |
95 | DB |
Amperage | 0.7 A |
Application | Indoor/Outdoor |
Brand Name | Federal Signal |
Color | Gray |
dBa at 10ft | 108 dBa |
dBa at 1M | 118 dBa |
Dimensions | 17.0 H x 13.1 W x 16.3 D IN |
Enclosure | Type 4X |
Loudness | 95 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 |
Special Features | Produces Tones Or Voice Messages |
Standard | UL Listed/cUL Listed/UL Fire Listed/CSFM Approved |
Standard | UL Fire |
Sub Brand | SelecTone |
Type | Audible Signals |
Type | Explosion-Proof Amplified Speaker |
Voltage Rating | 24 Vdc |
Wattage | 15 W |
Package Dimensions (L x W x H) | 19.69 IN x 19.69 IN x 22.81 IN |
Package Dimensions (L x W x H) | 50.0126 cm x 50.0126 cm x 57.9374 cm |
Package Weight (Imperial) | 22.800 L |
Package Weight (Metric) | 10.342 kg |

304X-024-CN
SelecTone 15W Amplified Speaker, Explosion-Proof, Supervised, UL and cUL CID1, ULC Fire Listed, 24VDC, Gray
304GCX-024-CN
SelecTone 15W Amplified Speaker, Hazardous Location, Supervised, UL and cUL, ULC Fire Listed, 24VDC, Gray
314GCX-024
SelecTone 30W Amplified Speaker, Explosion-Proof, Supervised, UL and cUL CID1, 24VDC, Gray
314GCX-024-CN
SelecTone 30W Amplified Speaker, Explosion-Proof, Supervised, UL and cUL CID1, ULC Fire Listed, 24VDC, Gray
314X-024-CN
SelecTone 30W Amplified Speaker, Explosion-Proof, Supervised, UL and cUL CID1, ULC Fire Listed, 24VDC, Gray
ASHH-024
Amplified Speaker, 15W, Supervised, Hazardous Location, UL and cUL CID2, UL Fire, 24VDC, Red
304GCX-024-CN-R
SelecTone 15W Amplified Speaker, Hazardous Location, Supervised, UL and cUL, ULC Fire Listed, 24VDC, RedFrequently Asked Questions
What is the power output of the 304X-024 speaker?
The 304X-024 is a 15W amplified speaker.
What is the operating voltage for the 304X-024 speaker?
The 304X-024 operates on 24VDC.
Is the 304X-024 speaker explosion-proof?
Yes, the 304X-024 is an explosion-proof amplified speaker.
What hazardous location rating does the 304X-024 have?
The 304X-024 is UL and cUL certified for Class I, Division 1 (CID1) hazardous locations.
Is the 304X-024 amplified speaker supervised?
Yes, the 304X-024 is a supervised amplified speaker.
What color is the 304X-024 speaker?
The 304X-024 speaker is gray.
Can SelecTone speakers withstand harsh industrial environments?
Yes, every SelecTone model is designed to withstand a long life in harsh, industrial environments.
What types of notifications can SelecTone systems deliver?
SelecTone systems provide multiple tones, voice, live PA notifications, and pre-recorded messages.
What happens if a SelecTone system device fails?
If one SelecTone device fails, the system will not; other devices will continue to operate.
Can SelecTone speakers be used for stand-alone signaling?
Yes, each SelecTone speaker and amplifier can also be used for stand-alone signaling applications.
How to Install the 304X-024 Explosion-Proof Amplified Speaker
This guide provides step-by-step instructions for installing and configuring the 304X-024 Explosion-Proof Amplified Speaker, ensuring proper mounting, wiring, and initial setup.
Estimated time: 1h
Tools needed:
Screwdriver, Wire strippers, Drill, Multimeter
Supplies needed:
Mounting screws, Lockwashers, Hex nuts, Wire connectors
- Mount the speaker
Remove the mounting bracket from the speaker by unscrewing the two hex-head bolts. Select a flat surface for mounting, ensuring the speaker is pointed horizontally or slightly downward to prevent water accumulation.
- Secure the mounting bracket
Using the mounting bracket as a template, drill holes for the 1/2" diameter bolts. Secure the bracket to the mounting surface with the bolts, lockwashers, and hex nuts.
- Attach the speaker to the bracket
Reattach the speaker to the mounting bracket using the hex-head bolts, flat washers, and lockwashers. Ensure the speaker is positioned for optimal sound coverage and tighten all bolts securely.
- Install the UTM module
Loosen and remove the threaded cover of the speaker. Plug the UTM tone card into the socket and secure it with the card retainer. Connect the positive and negative power leads to the labeled terminals.
- Wire the speaker
Route the wires through the 1/2" NPT threaded openings into the speaker. Connect the additional leads to the next speaker or an end-of-line device, ensuring all connections are secure and properly insulated.
- Test the installation
After completing the wiring, reinstall the housing cover and tighten it securely. Power on the system and test the speaker to ensure it operates correctly. Adjust the volume if necessary.
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.

