The Fireball® Supervised Warning Light is an economical solution to a wide variety of stationary requirements. 

Model FB24ST features a voltage in-rush limiting PCB design that provides greater compatibility with control systems and less electrical interference with in-rush sensitive devices. The FB24ST contains a supervisory diode and four wire leads, for use in fire alarm applications

Fireball Supervised Strobe is a very low-maintenance warning light for industrial applications where a vibration-resistant light is required to signal an emergency or process status.


Voltage 24VDC
Material 1/2" Pipe
Operating Current 0.70 Amps at 24VDC (2.0 amps, in–rush)
Dome Colors Amber
Operating Temperature Minimum -31 °F
Operating Temperature Maximum 150 °F
Light Source/Lamp Style Strobe Tube
Flash Rate/Minute 80 at 24VDC
Peak Candela 100000010,000 Hours
Effective Candela 300
Ingress Protection (IP) IP66
Enclosure Rating Type 4X
Net Weight 1.45 lb
Shipping Weight 5.250 in1.70 lb
Shipping Weight 5.250 in1.70 lb
Diameter 4.100 in

Ordering Information

Model Types
Model Description UPC
FB24ST-024A Strobe, 24VDC, 4-wire, amber, in-rush limited 78297921639
FB24ST-024B Strobe, 24VDC, 4-wire, blue, in-rush limited 78297921640
FB24ST-024C Strobe, 24VDC, 4-wire, clear, in-rush limited 78297921641
FB24ST-024G Strobe, 24VDC, 4-wire, green, in-rush limited 78297921642
FB24ST-024R Strobe, 24VDC, 4-wire, red, in-rush limited 78297921643
Product # Description UPC
LCMB2 Mounting bracket, corner 78297925370
LWMB2 Mounting kit, wall mount 78297925380
Replacement Parts
Description Part Number UPC
Dome kit, FB2, amber K8550320A 782979309253
Dome kit, FB2, blue K8550320A-01 782979309307
Dome kit, FB2, clear K8550320A-02 782979309352
Dome kit, FB2, green K8550320A-03 782979235705
Dome kit, FB2, red K8550320A-04 782979237303
Flash tube, trigger coil assembly K8107177A 782979226956