Federal Signal USI-024QC - UniStat LED Status Indicator, 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.
Federal Signal

USI-024QC

Alternate Item Number: K2005328A-01

UPC: 782979209553


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Overview

The Federal Signal USI-024QC UniStat LED Status Indicator provides robust, high-visibility status signaling for industrial control systems. Operating at 24VDC, this single-high indicator features four distinct colors: Amber, Blue, Green, and Red, enabling operators to quickly differentiate between multiple system states. The light source is a 50,000-hour vibration-resistant LED, ensuring longevity and reliability. The enclosure is rated Type 4X and IP66, offering protection against dust and water ingress, making it suitable for demanding indoor industrial environments. PLC compatibility simplifies integration into existing automation infrastructure. Mounting flexibility is provided by both surface mount and an integrated 3/4-inch NPT pipe mount option. The USI-024QC is UL and cUL Listed, confirming compliance with safety standards. Optional sounder models (USIS) are available, providing a 60 dBa audible alert at 10 feet, further enhancing situational awareness. Applications include monitoring equipment status, process variables, and safety interlocks where clear, low-power, and long-lasting visual cues are critical for smooth operations. This indicator is designed for indoor use only.
  • 24VDC operation for broad compatibility
  • Quad-color LED (Amber, Blue, Green, Red) for clear status indication
  • 50,000-hour vibration-resistant LED light source
  • Type 4X, IP66 enclosure for harsh indoor environments
  • PLC compatible with surface mount and 3/4-inch NPT pipe mount options

Specifications

0.1
A
24
VDC
24 Vdc
V
50,000
HR
7.8 H x 2.2 W x 2.2 D
IN
Amperage
0.1 A
Amperage Rating
0.1 Amp
Application
Indoor
Brand Name
Federal Signal
Color
Amber, Blue, Green, Red
Color
White
dBa at 10ft
N/A dBa
dBa at 1M
N/A dBa
Depth
2.2 in
Depth
55.88 mm
Diameter
2.2 in (55.9 mm)
Enclosure
Type 4X, IP66
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, Blue, Green, Red;Clear
Lens Material
Polycarbonate
Lens Style
Quad-Color
Mounting
3/4-Inch NPT Pipe/Surface;3/4-Inch Pipe,Surface
Mounting Type
Surface mount, 3/4-inch NPT pipe mount
N/A
dBa
Nema Rating
Type 4X
Operating Temperature
32D to +104DF (0D to +40DC)
Operating Voltage
24VDC
Operating Voltage
24
Series
UniStat
Size
7.8 H x 2.2 W x 2.2 D IN
Special Features
Four Integrated Flash Patterns
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, 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.

USI-024TC

UniStat LED Status Indicator, 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.
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Frequently Asked Questions

What are the available colors for the USI-024QC?

The USI-024QC is a quad-color model, producing Amber, Blue, Green, and Red from a single light source.

What is the operating voltage for the USI-024QC?

The USI-024QC operates on 24VDC.

What are the mounting options for this product?

The product can be surface mounted or integrated with a 3/4-inch NPT pipe mount. Optional accessories include pipe mount extensions, a wall mount bracket, and a tulip mount base.

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

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

What is the operating temperature range?

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

What are the dimensions of the UniStat indicator?

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

Is the UniStat suitable for outdoor use?

No, the UniStat is for indoor use only.

What enclosure rating does the UniStat have?

The UniStat features a Type 4X, IP66 enclosure.

What flash patterns are available for the UniStat?

The UniStat offers four integrated flash patterns: steady burn, slow flash, strobe flash, and SimuStrobe.

Is the UniStat compatible with PLCs?

Yes, the UniStat is PLC compatible.

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.