Low-Profile Fluorescent Emergency Ballast – 500 Lumens, UL 924, Time Delay
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Low-Profile Fluorescent Emergency Ballast – 500 Lumens, UL 924, Time Delay
The BAL500LPTD emergency ballast delivers up to 500 lumens of backup illumination for a minimum of 90 minutes . Its low-profile steel housing fits compact fixtures and operates one lamp in emergency mode. It works with or without an AC ballast and includes a sealed NiCd battery, red LED test/indicator, and a built-in time-delay circuit for EOL (end-of-lamp-life) protection. Browse all fluorescent emergency ballasts .
One compatible fluorescent lamp in emergency mode at up to 500 initial lumens for 90 minutes .
Specs, documents, buying checks, accessories, and FAQs are organized below from product fields for easier review.
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Product details and buying checks
Review specs, documents, buying checks, compatible products, and FAQs before ordering.
- UL 924
- 500 lm / 90 min
- 120/277V
- Time Delay
- Low Profile 1.18"
- NFPA 101
- OSHA
- Damp Location
Documents
Spec Sheet
Download BAL500LPTD Emergency Ballast Spec Sheet (PDF)
Features & Benefits
- Converts fluorescent fixtures to emergency operation; works with or without an AC ballast
- 500-lumen initial output; 90-minute emergency runtime (1 lamp)
- Red LED charge/power indicator and push-to-test switch
- Internal solid-state transfer; two-rate automatic charger ( 24-hour recharge)
- Low-profile galvanized steel housing for shallow/compact fixtures
- Suitable for sealed/gasketed fixtures
Electrical Specifications
- Dual voltage: 120/277V
- Input power: 3.0W
- Input current: 0.130A @ 120/277V
- Battery: 4.8V sealed NiCd; 24-hour recharge
Mounting / Housing
- Installs inside , on top of, or remote from the fixture
- Remote distance: up to 50 ft and not more than ½ of the AC ballast’s rated lamp-to-ballast distance
- Dimensions: 11.7" L × 2.0" W × 1.18" H
Compliance & Warranty
- UL 924 Listed; meets NFPA 101 , NEC , and OSHA
- Damp-location rated (0°C to 50°C)
- 5-year limited warranty (lamps excluded)
How many lamps does it support?
One compatible fluorescent lamp in emergency mode at up to 500 initial lumens for 90 minutes .
Which lamp types are compatible?
T5 / T5HO, T8, T12, 2G11 and GR10q-4 CFL, circular T5/T9, and U-bend fluorescent lamps. Check the fixture’s lamp wattage against the compatibility chart on the spec sheet.
Can it be remote-mounted?
Yes—up to 50 ft , and the run must not exceed one-half of the AC ballast’s rated lamp-to-ballast distance.
Does it work with LED replacement tubes?
No. This is a fluorescent emergency ballast . For LED Type B/C retrofits or LED fixtures, use a listed LED emergency driver designed for those lamps.
Is it suitable for sealed or gasketed fixtures?
Yes. It’s listed for use in sealed/gasketed and enclosed fluorescent fixtures when installed per instructions.
Compliance notes
- Confirm final fixture placement, runtime, and local AHJ acceptance for the project.