Federal Signal’s Vitalite® Model 121A is compact, rotating light featuring a parabolic reflector that rotates around an incandescent lamp, providing 60 flashes per minute in all directions. Model 121A is available in five dome colors (Amber, Blue, Clear, Green and Red).
The 121A rotating light is designed for in-plant applications. This unit can be surface mounted or mounted on a 1/2" NPT pipe with the integrated pipe mount. The 121A is available in 24VDC. Optional brackets simplify installation on walls or in corners (see pages 136-139). The enclosure is also rated Type 4X for a water-tight and dust-tight seal.


Voltage 24VDC
Mount Pipe/Surface
Operating Current 1.3 Amps
Light Source/Lamp Style Incandescent
Lamp Life 300 Hours
Flash Rate/Minute 60
Candela 4,000 at 24VDC
Operating Temperature Minimum -31 °F
Operating Temperature Maximum 150 °F
Enclosure Rating Type 4X
Ingress Protection (IP) IP66
Dome Colors Amber
Net Weight 1.80 lb
Shipping Weight 1.90 lb
Height 6.260 in
Diameter 5.130 in


IP69K Compliant Products Video (1:33)

Ordering Information

Model Types
Model Description UPC
121A-024A Rotating light, 24VDC, surface or pipe mount, amber 782979215806
121A-024B Rotating light, 24VDC, surface or pipe mount, blue 782979215813
121A-024C Rotating light, 24VDC, surface or pipe mount, clear 782979215820
121A-024G Rotating light, 24VDC, surface or pipe mount, green 782979215837
121A-024R Rotating light, 24VDC, surface or pipe mount, red 782979215844
Product # Description UPC
LCMB2 Mounting bracket, corner 782979253709
LWMB2 Mounting kit, wall mount 782979253808
LHWB Hazardous location mounting bracket, wall mount 782979227434
Replacement Parts
Description Part Number UPC
Dome, Amber, 121 Light K8444357A-02 782979122920
Dome, Blue, 121 Light K8444357A-01 782979122913
Dome, Clear, 121 Light K8444357A 782979122906
Dome, Green, 121 Light K8444357A-04 782979122944
Dome, Red, 121 Light K8444357A-03 782979122937
Replacement Lamp, 36 Watt K8107236A 782979122883