Federal Signal 151XST-S120B - Strobe Light, Hazardous Location, UL and cUL CID2, Surface Mount, 120VAC, Blue
Federal Signal

151XST-S120B

Alternate Item Number: 151xst-hazardous-location-warning-light

UPC: 782979229933


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Overview

The Federal Signal 151XST-S120B is a robust and highly visible blue strobe light specifically engineered for critical signaling applications in hazardous environments. Designed and manufactured by Federal Signal, a trusted leader in signaling solutions, this unit (SKU: 151XST-S120B) offers unparalleled reliability and safety compliance for demanding industrial settings. Its UL and cUL Class I, Division 2 (CID2) certification ensures safe operation in areas where flammable gases, vapors, or dusts may be present, making it an indispensable component for sectors like oil and gas exploration, chemical processing plants, manufacturing facilities, and any industrial operation requiring stringent safety protocols. The 151XST-S120B operates on a standard 120VAC power supply, simplifying integration into existing electrical infrastructure. Its surface-mount design facilitates straightforward installation on control panels, machinery, or structural elements, minimizing downtime and labor costs. This compact yet powerful strobe emits a bright, distinct blue light, providing clear visual alerts that are easily discernible even in high-noise or visually complex environments. The intense flash pattern is designed to capture attention, effectively warning personnel of potential hazards, operational changes, or emergency situations, thereby enhancing overall workplace safety and operational efficiency. Key features and benefits of the Federal Signal 151XST-S120B include: * **Hazardous Location Certified:** UL and cUL Class I, Division 2 (CID2) listed, ensuring safe use in potentially explosive atmospheres. * **Vibrant Blue Strobe:** Provides a highly visible and unmistakable visual warning signal. * **120VAC Operation:** Compatible with standard industrial power systems. * **Durable Surface Mount Design:** Simplifies installation and conserves space on equipment or panels. * **Federal Signal Reliability:** Backed by the reputation of a leading manufacturer known for quality and performance in signaling devices. This strobe light is an ideal solution for applications requiring dependable visual notification in challenging conditions. Its construction is built to withstand the rigors of industrial environments, offering long-term performance and minimal maintenance. Whether used for status indication, alarm signaling, or safety alerts, the 151XST-S120B delivers the critical visibility and compliance necessary to protect personnel and assets. Invest in the safety and operational integrity of your facility with the Federal Signal 151XST-S120B hazardous location strobe light.
  • UL and cUL Class I, Division 2 (CID2) certified for hazardous locations
  • High-intensity blue strobe for clear visual signaling
  • 120VAC power input for easy integration
  • Surface mount design for simplified installation
  • Durable construction for demanding industrial environments

Specifications

-67 to 150
DEG F
0.35
A
10,000
HR
120 50-60Hz
VAC
520,000
CND
8.18 H x 6.52 W x 6.52 D
IN
80
FLPM
Amperage
0.35 A
Amperage Rating
0.35 AMP
Application
Indoor/Outdoor
Average Life
10,000 HR
Brand Name
Federal Signal
Candela Power
165
Candela Power Peak
520,000
Candle Power
520,000 CND
Color
Blue
Diameter
6.52 in (165.6 mm)
Environmental Conditions
-67 to 150 DEG F
Flashes Per Minute
80 FLPM
Lens Color
Blue
Light Source
Strobe Tube
Material
Aluminum/Glass
Model
151XST-S
Mounting
Surface
Mounting Type
Surface Mount
NEMA Rating
Type 4X, IP66, IP69K Enclosure
Operating Temperature
-67D to +150DF (-55D to +66DC)
Power Peak
520000
Series
151XST
Shape
Cylindrical
Size
8.18 H x 6.52 W x 6.52 D IN
Special Features
10,000 Hour High-Intensity Strobe
Standard
UL Listed/cUL Listed/Marine Rated
Standard
CSA,Marine,UL,cUL
Style
Strobe
Type
Hazardous Location Warning Light
Voltage Rating
120 50-60Hz VAC
Package Dimensions (L x W x H)
10.5 IN x 7 IN x 7.75 IN
Package Dimensions (L x W x H)
26.67 cm x 17.78 cm x 19.685 cm
Package Weight (Imperial)
4.500 L
Package Weight (Metric)
2.041 kg
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Frequently Asked Questions

What is the IP69K rating?

IP69K is the highest standard on the Ingress Protection (IP) rating scale, designed for products regularly exposed to high-pressure and high-temperature washdowns.

What environments are IP69K products suitable for?

IP69K products are ideal for applications in Food and Beverage, Wastewater, Pharmaceutical, Marine, Medical Facilities, and Medical Equipment Manufacturing.

How is IP69K different from NEMA Type 4?

IP69K protects against low volume, high temperature, high pressure water jets at short distances (6 inches max), while NEMA Type 4 protects against high volume, low pressure water at long distances (10-12 feet).

What are the testing conditions for IP69K products?

Products are dust-tight tested and undergo high-pressure steam jet cleaning with water sprays of 1160–1450 psi from 4 angles at 4–6 inches distance and 176°F (80°C).

What certifications do Federal Signal IP69K products hold?

In addition to IP69K, Federal Signal products meet or exceed standards of UL, CSA, CSFM, IECEx, and other global certifications, and the company is ISO 9001 Certified.

How does IP69K protect against water and dust?

IP69K ensures protection from close-range, powerful, high-temperature water jets and permits no ingress of dust.

What are the benefits of using IP69K products?

IP69K products help reduce product failures due to water/dust ingress, increasing productivity and decreasing production downtime.

Does Federal Signal offer a wide range of IP69K products?

Yes, Federal Signal offers over 700 models of IP69K products for safe area, hazardous, and explosion-proof applications.

How to Install the 151XST-240C Strobe Light

This guide provides step-by-step instructions for installing and wiring the 151XST-240C strobe light in hazardous conditions.

Estimated time: 45m

Tools needed:

Screwdriver, Wire strippers, Multimeter

Supplies needed:

Mounting screws, Terminal connectors, Conductive sealant

  1. Unpack and Inspect the Strobe Light

    Carefully unpack the strobe light and inspect it for any damage that may have occurred during transit. If damaged, do not install and file a claim with the carrier.

  2. Mount the Strobe Light

    Choose a suitable location for mounting. For pipe mounting, ensure threads are clean, apply conductive sealant to the threads, and secure the light to a 3/4-inch NPT pipe using the set screw. For surface mounting, use the mounting base as a template to mark and drill holes, then secure the light with installer-supplied hardware.

  3. Wire the Strobe Light

    Ensure power is off before wiring. For AC models, connect the black lead to the hot side and the white lead to the neutral side of the power source. For DC models, connect the red lead to the positive side and the black lead to the negative side. If necessary, connect the green screw to an earth ground. Replace the dome assembly securely.

  4. Test the Strobe Light

    After wiring, restore power to the strobe light and test it to ensure proper operation. Verify that the light flashes as expected.

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.