Fluorescent Emergency Ballast – 500 Lumen Output, UL 924, 120/277V

This fluorescent emergency ballast provides reliable 90-minute emergency illumination during power loss. Designed for use with a wide range of fluorescent lamps, it delivers up to 500 lumens for one lamp and includes a high-temperature NiCad battery, test switch, and LED charge indicator. The compact steel housing supports mounting in the wireway or on top of a fixture and is UL 924 Listed for factory or retrofit installation. Download Fluorescent Emergency Ballast Spec Sheet (PDF)

Lamp Type Wattage (W) Initial Lumens (1 Lamp) T5 21 450 T5 28 500 T5HO 24 475 T8 25 375 T8 28 425 T8 32 500 T12 25 400 T12 30 425 T12 34 450 CFL 2G11 36 375 Circular T9 20 325 Circular T9 32 350 Circular T5 22 375 U-Bend T8 32 425 U-Bend T12 34 375

• Provides 90 minutes of emergency lighting during power loss
• Delivers 375–500 lumens output for one lamp
• Compatible with T5, T8, T12, 2G11, U-Bend, and circular lamps
• Includes test switch and LED charge indicator
• Painted steel housing with compact 9.4" length

• Input Voltage: 120/277V, 60Hz
• Input Power: 1.6 watts
• Battery: High-temperature, maintenance-free NiCad
• Operating Temp: 0°C to 50°C (32°F to 122°F)

• Length: 9.4" | Width: 2.4" | Height: 1.5"
• Mounting Center: 8.9"
• Mounts in wireway or on top of fixture

• UL 924 Listed for factory or field installation
• Meets NEC and NFPA 101 emergency lighting requirements
• 5-year limited warranty

It delivers 375 to 500 lumens depending on lamp type. Compatible with one lamp only.

Compatible with a range of fluorescent lamps including T5, T8, T12, U-bend, circular T9/T5, and 2G11 CFLs. See the lamp chart for details.

Yes. Remote mounting is allowed up to 50 ft, but cannot exceed half the distance specified by the primary ballast-to-lamp rating.

Yes. This ballast is UL listed for both factory and field installation applications.

• Confirm final fixture placement, runtime, and local AHJ acceptance for the project.