Federal Signal’s Electraray® Model 224XSTHI hazardous location strobe light provides 80 high-intensity flashes per minute and is available in 24VDC.
This hazardous location warning light has a black polyurethane-coated base and a clear inner fresnel lens to meet the Hearing Impaired Signal requirements. The clear polycarbonate outer dome can be quickly removed for easy access to inspect the unit or change the lamp.
Model 224XSTHI features a voltage in-rush limiting PCB design that provides greater compatibility with control systems and fire alarm panels and less electrical interference with in-rush sensitive devices.


Voltage 24 VDC
Mount 1/2" NPT Pipe
Operating Current 0.70 A at 24VDC (2.0 A, in-rush)
Dome Colors Clear
Operating Temperature Minimum -40 °F
Operating Temperature Maximum 104 °F
Lamp Life 10,000 Hours
Light Source/Lamp Style Strobe Tube
Flash Rate/Minute 80
Peak Candela 580,000
Effective Candela 240
Enclosure Rating Type 4X
Net Weight 1.50 lb
Shipping Weight 2 lb
Height 7.500 in
Diameter 5.500 in


IP69K Compliant Products Video (1:33)

Ordering Information

Model Types
Model Description UPC
224XSTHI-024C Strobe, 24VDC, hazardous location, 4-wire, hearing impaired, in-rush limited, clear 782979215677
Replacement Parts
Description Part Number UPC
Dome, Clear K8550C095A 782979112105
Dome, Clear, With 1 Gasket And 1 Surface Mount Gasket K8444D219C-04 782979121442
Flash Tube, Trigger Coil Assembly K8107177A 782979114321