Fire Alarms
FB24STHI Fireball® Supervised Hearing Impaired Strobe Warning Light
- Available in 24VDC
- Four wires and supervisory diode
- Clear dome
- 10,000 hour strobe tube
- Integrated 1/2" pipe mount and surface mount
- Type 4X, IP66 enclosure
- In-rush protected
- UL1971 Listed
- UL Listed and CSFM Approved

Federal Signal's brightest and most compact strobe light, this supervised FireBall® emits a powerful "lightning bolt" flash of light. Approximately five inches tall and four inches in diameter and rated at 300 effective candela, the FB24STHI is economical and effective. The Fireball is available in 24VDC, this model is UL Listed and CSFM Approved.
The FB24PSTHI features a voltage in-rush limiting PCB design that provides greater compatability with control systems and panels and less electrical interference with in-rush sensitive devices.
The FB24STHI features a clear dome that twists off easily for quick dome and lamp replacements. The newly redesigned base features an integrated 1/2" pipe mount boss as well as the three holes required for surface mount configurations. Black epoxy paint is electrostatically applied to the base for superior corrosion resistance. The Fireball dome and base design provides a watertight, dust-tight and corrosion resistant Type 4X rating.
The Fireball FB24STHI contains a supervisory diode and four wire leads, for use in fire alarm applications. This strobe is UL 1971 listed, for hearing impaired applications.
Special Considerations
- Mounting brackets not rated for Type 4X
Models
Part # | Description | Ship Weight | Net Weight | |
---|---|---|---|---|
FB24STHI-024C | Strobe, 24VDC, 4-wire, hearing impaired, clear, in-rush limited | 1.7 lbs. | 1.45 lbs. | Add to Quote > |
Accessories
Part # | Description | Ship Weight | |
---|---|---|---|
LCMB2 | Mounting bracket, corner | 2.5 lbs. | Add to Quote > |
LWMB2 | Mounting kit, wall mount | 2.95 lbs. | Add to Quote > |
Replacement Parts
Description | Part # | |
---|---|---|
PC Assembly, 12-24VDC | K2001202C | Add to Quote > |
Strobe Tube | K8107177A | Add to Quote > |
Dome, Clear | K8550320A-02 | Add to Quote > |
Agency
Listed By Underwriter's Laboratory (ULus) | |
---|---|
Signalling appliances and equipment for the hearing impaired | UUKC_S5427.pdf |
Listed By California State Fire Marshall (CSFM) | |
---|---|
Fire alarm devices for the hearing impaired | 7125_0811_132.pdf |
Specs
Voltage | 24VDC |
---|---|
Mount | 1/2" Pipe Surface |
Operating Current | 0.70 Amps at 24VDC (2.0 amps, in-rush) |
Dome Colors | Clear |
Operating Temperature Min. | -31 F |
Operating Temperature Max. | 150 F |
Light Source/Lamp Style | Strobe Tube |
Flash Rate/Minute. | 80 |
Peak Candela | 1,000,000 |
Effective Candela | 300 |
Lamp Life | 10,000 Hours |
Ingress Protection (IP) | IP66 |
Enclosure Rating | Type 4X |
Height | 5.25 IN |
Diameter | 4.1 IN |