
Federal Signal
121X-024B-MOD
Alternate Item Number: 121x-explosion-proof-rotating-light
UPC: 782979232773
Contact for Pricing
Overview
- UL and cUL Certified for Class I, Division 1 (CID1) Hazardous Locations
- High-Visibility Blue Rotating Light Output
- Durable Poly Material Construction for Harsh Environments
- 24VDC Operation for Wide Compatibility
- Explosion-Proof Design for Safety in Flammable Atmospheres
Specifications
-67 to 150 | DEG F |
1.05 | A |
11.37 H x 8.82 W x 8.82 D | IN |
24 | VDC |
24 Vdc | V |
60 | FLPM |
800 | HR |
90 | FLPM |
Amperage | 1.05 A |
Amperage Rating | 1.05 AMP |
Application | Indoor/Outdoor |
Average Life | 800 HR |
Brand Name | Federal Signal |
Color | Blue |
Environmental Conditions | -67 to 150 DEG F |
Flashes Per Minute | 90 FLPM |
Flashes Per Minute | 60 FLPM |
Flashing Pattern | Rotating |
Lens Color | Blue |
Light Source | Incandescent |
Material | Aluminum Housing |
Material | Poly |
Model | 121X |
Mounting | 3/4-Inch NPT Pipe/Ceiling/Wall |
Mounting Type | Mount Sold Separately |
NEMA Rating | Type 4X, IP66, IP69K Enclosure |
Operating Temperature | -67D to +150DF (-55D to +65DC) |
Series | 121X |
Shape | Cylindrical |
Size | 11.37 H x 8.82 W x 8.82 D IN |
Special Features | Wide Range Of Mounting Configurations |
Standard | Marine,UL,cUL |
Standard | UL Listed/cUL Listed/Marine Rated |
Style | Rotating |
Type | Explosion-Proof Rotating Light |
Voltage Rating | 24 Vdc |
Package Dimensions (L x W x H) | 11.75 IN x 17 IN x 12 IN |
Package Dimensions (L x W x H) | 29.845 cm x 43.18 cm x 30.48 cm |
Package Weight (Imperial) | 14.700 L |
Package Weight (Metric) | 6.668 kg |

27XST-024B-MOD
Strobe Light, Explosion-Proof, Limited In-Rush, UL and cUL CID1, 24VDC, Blue, Mount Sold SeparatelyFrequently Asked Questions
What is the IP rating for the LP3PL-120A?
The LP3PL is a StreamLine® Low Profile Steady Burning LED Light listed among Federal Signal's IP69K compliant products.
What does the IP69K rating signify for this product?
The IP69K rating means the product is dust-tight and can withstand high-pressure, high-temperature washdowns from close distances.
What are the ideal applications for IP69K products like LP3PL?
IP69K products are ideal for food and beverage, wastewater, pharmaceutical, marine, medical facilities, and medical equipment manufacturing applications.
What type of light is the LP3PL model?
The LP3PL is a StreamLine® Low Profile Steady Burning LED Light, suitable for safe area applications.
How does IP69K protection differ from NEMA Type 4?
IP69K protects from close-range, powerful, high-temperature water jets and is dust-tight. NEMA Type 4 handles high volume, low pressure water from long distances.
What specific tests do IP69K products undergo?
Products are dust-tight tested and endure high-pressure steam jet cleaning, with water sprays of 1160–1450 psi at 176°F (80°C) from 4–6 inches.
What certifications do Federal Signal's IP69K products hold?
In addition to IP69K, products meet or exceed UL, CSA, CSFM, IECEx, and other global certifications. Federal Signal is also ISO 9001 Certified.
How to Install the 121X Explosion-Proof Rotating LED Warning Light
This guide provides step-by-step instructions for installing and configuring the 121X explosion-proof rotating LED warning light in hazardous locations.
Estimated time: 45m
Tools needed:
Screwdriver, Wire strippers, Multimeter
Supplies needed:
Mounting screws, Terminal connectors
- Unpack the device
Carefully unpack the 121X unit and inspect for any damage. Ensure that all components are present before proceeding with installation.
- Select and mount the appropriate bracket
Choose the correct mounting option (ceiling, pendant, or wall) and securely attach the bracket to the desired location using the provided mounting screws. Ensure the bracket is level and stable.
- Connect the wiring
Follow NEC guidelines to connect the wiring to the light fixture. Ensure power is turned off during this process to avoid electrical shock. Use terminal connectors to secure the connections.
- Install the light fixture
Attach the 121X light fixture to the mounted bracket, ensuring it is securely fastened and properly aligned.
- Power on and test the unit
Restore power to the circuit and verify that the 121X light operates correctly. Check for proper rotation and brightness.
- Calibrate if necessary
If the light does not operate as expected, refer to the calibration instructions in the manual to adjust settings as needed.
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.


