Federal Signal 50GC-120BG - SelecTone Amplified Speaker, UL and cUL, 120VAC, Surface Mount
Federal Signal

50GC-120BG

Alternate Item Number: 50gc-selectone

UPC: 782979291855


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Overview

The Federal Signal 50GC-120BG SelecTone Amplified Speaker delivers reliable audio for industrial alarm and notification systems. Rated at 120VAC, it integrates seamlessly into standard power infrastructures for consistent operation in commercial, industrial, and institutional environments. The surface-mount design provides a compact, space-saving solution for easy installation on panels, walls, or other surfaces without bulky brackets. UL and cUL certified, the 50GC-120BG meets stringent safety and quality standards, ensuring compliance for manufacturers, installers, and end-users. Its robust construction and precise sound output make it ideal for fire alarms, intrusion detection, emergency stop signals, and other high-visibility notification needs. The speaker’s durability and minimal maintenance requirements support long-term reliability in demanding settings. Federal Signal’s reputation for high-quality industrial products ensures this amplified speaker delivers clear, audible alerts that meet regulatory requirements while enhancing overall safety.
  • 120VAC voltage rating for standard power compatibility
  • UL and cUL certified for safety and compliance
  • Surface-mount design for easy installation on panels or walls
  • Compact, space-saving construction without bulky brackets
  • Ideal for fire alarms, intrusion detection, and emergency signals

Specifications

-31 to 151
DEG F
0.04
AMP
0.04 @ 120VAC
A
5.5 H x 5.5 W x 3.18 D
IN
64 to 88
DB
88
dBa
98
dBa
Amperage
0.04 @ 120VAC A
Application
Indoor/Outdoor
Brand Name
Federal Signal
Color
Beige, White
dBa at 10ft
88 dBa
dBa at 1M
98 dBa
Dimensions
5.5 H x 5.5 W x 3.18 D IN
Enclosure
Type 3R With Model WB Backbox
Loudness
64 to 88 DB
Mounting
Surface
Operating Current
0.04 AMP
Operating Temperature
-31 to 151 DEG F
Operating Voltage
120VAC 50-60Hz
Special Features
Produces Digital Voice Messages and Live Public Address
Standard
UL Listed/cUL Listed/CSFM Approved
Standard
CSFM,UL,cUL
Standby Current
0.027
Sub Brand
SelecTone
Type
Amplified Speaker
Package Dimensions (L x W x H)
6.25 IN x 6 IN x 5.75 IN
Package Dimensions (L x W x H)
15.875 cm x 15.24 cm x 14.605 cm
Package Weight (Imperial)
2.200 L
Package Weight (Metric)
0.998 kg
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Frequently Asked Questions

What is SelecTone® designed for?

SelecTone® is designed for comprehensive industrial signaling and plant-wide communication systems in harsh environments.

What are the main applications of SelecTone®?

SelecTone® is used in heavy industrial facilities, hazardous, and high ambient noise environments for tones, voice, and pre-recorded messages.

Where can SelecTone® systems be installed?

SelecTone® systems can be installed in industrial areas, hazardous locations (Div 1 & Div 2), and safe office areas for plant-wide communication.

What power options are available for Command Units?

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

Are SelecTone® loudspeakers self-amplified?

Yes, SelecTone® loudspeakers are self-amplified speakers.

What power options are available for 15W SelecTone® speakers?

15W SelecTone® speakers are available in 24VAC/DC, 120VAC, 240VAC, and 120-240VAC models.

Are there explosion-proof 15W SelecTone® speakers?

Yes, models like 300X-024 and 300X-120-240 are explosion-proof and UL and cUL CID1 certified.

Do any 15W SelecTone® speakers offer supervision?

Yes, models such as 304GC-024, 304GCX-024, and 304X-024 are supervised 15W amplified speakers.

What power options are available for 30W SelecTone® speakers?

30W SelecTone® speakers are available in 24VAC/DC, 120VAC, 240VAC, and 120-240VAC models.

Are there hazardous location 30W SelecTone® speakers?

Yes, models like 302GCX-024, 302GCX-120, and 302GCX-240 are certified for hazardous locations, UL and cUL CID2.

How to Install the 50GC-120BG SelecTone Speaker

This guide provides step-by-step instructions for installing and configuring the 50GC-120BG SelecTone Speaker for effective signaling and communication.

Estimated time: 45m

Tools needed:

Screwdriver, Wire strippers, Multimeter

Supplies needed:

Mounting screws, Wire nuts, Adapter gasket

  1. Mount the speaker

    Select a suitable location and secure the 50GC speaker to a flat surface or electrical box using the provided 8-32 x 3” slotted oval head screws. Ensure the speaker is level and firmly attached.

  2. Connect power leads

    Connect the black power lead to the phase side of the line and the white lead to the common side of the line. Ensure that the power is OFF during this connection to avoid electrical shock.

  3. Install the tone module

    Insert the tone module into the receptacle at the rear of the 50GC speaker, ensuring the foil side of the circuit board faces the speaker. Confirm that the connector is fully inserted and secured.

  4. Adjust the volume

    After connecting power, adjust the volume control (R2) by turning it clockwise to increase the volume. Verify that the alarm signal is loud enough for effective warning.

  5. Verify installation

    Turn on the power and test the speaker to ensure it operates correctly. Check for any obstructions in front of the speaker that may affect sound distribution.

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.