Federal Signal USIS-024TC - UniStat LED Status Indicator With Sounder, 24VDC, Tri-Color (Amber, Green and Red) - Available in 24VDC and 120VAC. Tri- or quad-color models. 50,000 hour vibration resistant LED light source. Available with built-in sounder (Model USIS). Surface mount and integrated 3/4-inch NPT pipe mount. PLC compatible. Indoor use only. Type 4X, IP66 enclosure. Type 1 with sounder, 60 dBa at 10 feet. UL and cUL Listed.
Federal Signal

USIS-024TC

Alternate Item Number: K2005328A

UPC: 782979216483


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Overview

The UniStat LED Status Indicator (SKU USIS-024TC) from Federal Signal delivers robust, high‑visibility status indication for industrial control systems. Designed for both 24 VDC and 120 VAC power supplies, it offers tri‑color (Amber, Green, Red) illumination to convey system states clearly. The built‑in sounder provides audible alerts, enhancing safety and situational awareness. With a 50,000‑hour vibration‑resistant LED light source and IP66 enclosure, the indicator withstands harsh environments while maintaining reliability. It conforms to NEMA Type 4X specifications and is UL and cUL listed, ensuring compliance with safety standards. Mounting flexibility is a key advantage: choose surface mount for compact panels or a 3/4‑inch NPT pipe mount for pipe‑wall installations. The UniStat is PLC‑compatible, allowing seamless integration into existing automation workflows. Ideal for indoor use in manufacturing, process control, and utility facilities, this indicator provides clear, audible status communication while meeting stringent industrial durability requirements.
  • Dual voltage support: 24 VDC / 120 VAC
  • Tri‑color (Amber, Green, Red) status illumination
  • Built‑in sounder for audible alerts
  • IP66 enclosure, NEMA Type 4X, UL/cUL listed
  • Surface mount or 3/4‑inch NPT pipe mount options

Specifications

0.1
A
24
VDC
24 Vdc
V
50,000
HR
60
dBa
7.8 H x 2.2 W x 2.2 D
IN
70
dBa
Amperage
0.1 A
Amperage Rating
0.1 Amp
Application
Indoor
Brand Name
Federal Signal
Color
White
Color
Amber, Green, Red
dBa at 10ft
60 dBa
dBa at 1M
70 dBa
Depth
2.2 in
Depth
55.88 mm
Diameter
2.2 in (55.9 mm)
Enclosure
Type 1
Environmental Conditions
32 to 104 DEG F
Flashing Pattern
Steady/Slow Flash/Strobe Flash/SimuStrobeâ„¢
Height
7.8 in
Height
198.12 mm
IP Rating
IP66
Lamp Life
50,000 HR
Lamp Type
LED Array
Lens Color
Amber, Green, Red;Clear
Lens Material
Polycarbonate
Lens Style
Tri-Color
Loudness
60 DB
Mounting
3/4-Inch NPT Pipe/Surface;3/4-Inch Pipe,Surface
Mounting Type
Surface mount, 3/4-inch NPT pipe mount
Nema Rating
Type 4X
Operating Temperature
32D to +104DF (0D to +40DC)
Operating Voltage
24
Operating Voltage
24VDC
Series
UniStat
Size
7.8 H x 2.2 W x 2.2 D IN
Special Features
Four Integrated Flash Patterns/Built-In Sounder
Standard
UL,cUL
Standard
UL Listed/cUL Listed
Sub Brand
UniStat
Type
status Indicator
Voltage Rating
24 VDC
Width
2.2 in
Width
55.88 mm
Package Dimensions (L x W x H)
4.75 IN x 3 IN x 13 IN
Package Dimensions (L x W x H)
12.065 cm x 7.62 cm x 33.02 cm
Package Weight (Imperial)
0.700 L
Package Weight (Metric)
0.318 kg
UniStat LED Status Indicator With Sounder, 24VDC, Quad-Color (Amber, Blue, Green and Red) - Available in 24VDC and 120VAC. Tri- or quad-color models. 50,000 hour vibration resistant LED light source. Available with built-in sounder (Model USIS). Surface mount and integrated 3/4-inch NPT pipe mount. PLC compatible. Indoor use only. Type 4X, IP66 enclosure. Type 1 with sounder, 60 dBa at 10 feet. UL and cUL Listed.

USIS-024QC

UniStat LED Status Indicator With Sounder, 24VDC, Quad-Color (Amber, Blue, Green and Red) - Available in 24VDC and 120VAC. Tri- or quad-color models. 50,000 hour vibration resistant LED light source. Available with built-in sounder (Model USIS). Surface mount and integrated 3/4-inch NPT pipe mount. PLC compatible. Indoor use only. Type 4X, IP66 enclosure. Type 1 with sounder, 60 dBa at 10 feet. UL and cUL Listed.
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Frequently Asked Questions

What are the available voltage options for this product?

The UniStat is available in 24VDC and 120VAC models.

What colors can the UniStat LED status indicator display?

It can display three colors (Amber, Green, Red) or four colors (Amber, Blue, Green, Red) from a single light source.

What is the expected lamp life of the LED light source?

The LED light source has a lamp life of 50,000 hours.

Does the UniStat come with a built-in sounder?

Yes, models designated as USIS include an integrated piezo sounder.

What are the mounting options for the UniStat indicator?

It supports surface mount and integrated 3/4-inch NPT pipe mount. Optional accessories like pipe mount extensions are also available.

What is the intended use environment for this product?

The UniStat LED status indicator is designed for indoor use only.

What is the enclosure rating of the UniStat?

The UniStat features a Type 4X, IP66 enclosure.

What is the sound output level of the USIS model?

The USIS model with a sounder produces 60 dBa at 10 feet.

What are the operating temperature limits for the UniStat?

The operating temperature range is 32°F to 104°F (0°C to 40°C).

What are the dimensions of the UniStat LED status indicator?

The UniStat has a height of 7.8 inches (198.1 mm) and a diameter of 2.2 inches (55.9 mm).

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.