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Overview
- 24 VDC power rating
- Amber color for high visibility
- Supervised, hearing‑impaired alert
- Hazardous location certified (UL/cUL CID2)
- Robust construction for industrial use
Specifications
-40 to 104 | DEG F |
0.7 | A |
10,000 | HR |
24 | VDC |
580,000 | CND |
7.5 H x 5.5 W x 5.5 D | IN |
80 | FLPM |
Amperage | 0.7 A |
Amperage Rating | 0.7 AMP |
Application | In-Plant |
Average Life | 10,000 HR |
Brand Name | Federal Signal |
Candela Power Peak | 580,000 |
Candle Power | 580,000 CND |
Color | Amber |
Color | Clear |
Color | Black |
Diameter | 5.5 in (139.7 mm) |
Environmental Conditions | -40 to 104 DEG F |
Flashes Per Minute | 80 FLPM |
Flashing Pattern | 1x Flash |
Light Source | Strobe |
Material | Zinc/Polycarbonate |
Model | 224XSTHI |
Mounting | 1/2-Inch NPT Pipe |
NEMA Rating | Type 4X, IP66, IP69K Enclosure |
Operating Temperature | -40D to +104DF (-40D to +40DC) |
Series | Electraray |
Shape | Cylindrical |
Size | 7.5 H x 5.5 W x 5.5 D IN |
Special Features | In-Rush Limiting PCB Design |
Standard | UL Listed/cUL Listed/CSFM Approved/UL Fire Listed |
Standard | CSA,CSFM,UL,UL Fire,cUL |
Style | Strobe |
Sub Brand | Electraray |
Type | Supervised Hearing Impaired Hazardous Location Strobe Warning Light |
Voltage Rating | 24 Vdc |
Package Dimensions (L x W x H) | 7 IN x 7 IN x 9.5 IN |
Package Dimensions (L x W x H) | 17.78 cm x 17.78 cm x 24.13 cm |
Package Weight (Imperial) | 2.000 L |
Package Weight (Metric) | 0.907 kg |

225XST-I-024A
Electraray Strobe Light, Hazardous Location, In-Rush Limited, UL and cUL CID2, 24VDC, Amber
225XST-I-024M
Electraray Strobe Light, Hazardous Location, In-Rush Limited, UL and cUL CID2, 24VDC, Magenta
225XST-I-024B
Electraray Strobe Light, Hazardous Location, In-Rush Limited, UL and cUL CID2, 24VDC, Blue
225XST-I-024C
Electraray Strobe Light, Hazardous Location, In-Rush Limited, UL and cUL CID2, 24VDC, Clear
225XST-I-024G
Electraray Strobe Light, Hazardous Location, In-Rush Limited, UL and cUL CID2, 24VDC, Green
225XST-I-024R
Electraray Strobe Light, Hazardous Location, In-Rush Limited, UL and cUL CID2, 24VDC, RedFrequently Asked Questions
What is the operating voltage for 224XSTHI?
The 224XSTHI operates on 24VDC.
What is the flash rate of the 224XSTHI?
The 224XSTHI produces 80 flashes per minute.
What is the candela output of the 224XSTHI?
It has a peak candela of 580,000 and an effective candela of 240.
What are the NEMA and IP ratings for 224XSTHI?
The 224XSTHI has a Type 4X NEMA rating and an IP66 enclosure rating, and is also IP69K compliant.
What hazardous location classes is 224XSTHI certified for?
It is UL and cUL Listed for Class I, Division 2, Groups A, B, C, and D; Class II, Division 2, Groups F and G; and Class III.
Is the 224XSTHI UL Fire Listed?
Yes, the 224XSTHI is UL Fire Listed.
What type of product is the 224XSTHI?
The 224XSTHI is an Electraray hazardous location supervised hearing impaired strobe light.
What mounting options are available for 224XSTHI?
The 224XSTHI features a 1/2-inch NPT pipe mount.
What is the expected lifespan of the strobe tube?
The 224XSTHI features a 10,000 hour, high-intensity strobe tube.
What are the wiring requirements for the 224XSTHI?
It requires four wires and includes a supervisory diode.
How to Install the 224XSTHI Visual Signaling Device
This guide provides step-by-step instructions for installing and configuring the 224XSTHI visual signaling device for the hearing impaired in hazardous locations.
Estimated time: 45m
Tools needed:
Screwdriver, Wire strippers, Multimeter
Supplies needed:
Mounting screws, Terminal connectors
- Inspect the unit
After unpacking the 224XSTHI, examine it for any damage that may have occurred during transit. If damaged, do not install and file a claim with the carrier.
- Mount the device
Secure the 224XSTHI to a suitable surface using the provided mounting screws. Ensure it is installed in accordance with NFPA 70 & 72 and local codes.
- Make electrical connections
Disconnect power before making any connections. Connect the two red leads to the positive side of the incoming and outgoing power sources, and the two black leads to the negative side. Connect the green/yellow lead to the ground if required by local codes.
- Verify connections
Use a multimeter to check that all connections are secure and that the correct voltage is present before powering on the device.
- Power on and test
Once all connections are verified, restore power to the device and test it to ensure it is functioning properly.
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.




