Model FB24STHI features a voltage in-rush limiting PCB design that provides greater compatibility with control systems and panels and less electrical interference with in-rush sensitive devices.
Fireball FB24STHI contains a supervisory diode and four wire leads, for use in fire alarm applications. This strobe is UL Listed and ULC Fire Listed for hearing impaired applications.


Voltage 24VDC
Material 1/2" Pipe
Operating Current 0.7 Amps at 24VDC (2.0 Amps in-rush)
Dome Colors Clear
Operating Temperature Minimum -31 °F
Operating Temperature Maximum 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
Enclosure Rating Type 4X
Ingress Protection (IP) IP66
Net Weight 1.45 lb
Shipping Weight 1.70 lb
Height 5.250 in
Diameter 4.100 in


IP69K Compliant Products Video (1:33)

Ordering Information

Model Types
Model Description UPC
FB24STHI-024C Strobe, 24VDC, 4-wire, hearing impaired, in-rush limited, clear 782979216551
FB24STHI-024C-CN Strobe, 24VDC, 4-wire, hearing impaired, in-rush limited, ULC, clear 782979240808
Product # Description UPC
LCMB2 Mounting bracket, corner 782979253709
LWMB2 Mounting kit, wall mount 782979253808
Replacement Parts
Description Part Number UPC
Dome Kit, FB2, Clear K8550320A-02 782979119685
Flash Tube, Trigger Coil Assembly K8107177A 782979114321