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The Federal Signal Corporation 121ALED-024B is a blue rotating LED warning beacon designed for emergency lighting applications. This unit produces a high-visibility rotating light pattern using LED technology, making it suitable for use on emergency vehicles, industrial equipment, and hazard warning installations. The blue lens designation identifies it for use in applications where blue warning light is required by code or operational need. Licensed electricians and emergency equipment technicians are the primary installers of this type of beacon.
The 121ALED-024B is used in emergency lighting and warning sign applications across both mobile and fixed installations. Typical deployment includes emergency vehicles, utility equipment, industrial floor warning zones, and facility safety systems where a rotating blue beacon is specified. The unit is sold individually and is classified under emergency lighting and exiting signs.
Designed as an OEM-style replacement or direct-fit warning beacon for emergency lighting systems requiring a blue rotating LED beacon unit.
Installation should be performed by a licensed electrician or qualified emergency equipment technician familiar with NEC requirements for warning and emergency lighting circuits. Disconnect and lock out all power to the circuit before removing or mounting the beacon. Verify that the supply voltage matches the beacon's rated input before energizing. Secure all mounting hardware and weatherproof connections per the manufacturer's guidelines and applicable local codes.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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