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Emergency Lighting Blog

News and Information for Public Egress, Building Safety and Government Compliance

Monthly Archives: November 2017

T5 Emergency Ballast - ISL-54

Why the ISL-54?

T5 Emergency ballasts pack a strong punch within a 5/8ths inch cylinder. Though T5s are almost 40% smaller than T8s, they can often provide just as much or even more light. But what T5 emergency ballast should you choose? We dug into the subject and found a solid choice in the ISL-54 T5 emergency ballast.


For almost 50 years, Iota has offered powerful and versatile solutions to lighting. Their ISL-54 model of emergency ballast continues the trend. The system allows facilities to use the same fixture for emergencies and regular operation. When the power fails, the IL-54 will switch to its emergency mode and continue to give light for 90 minutes. It uses battery backup power to do this, which fully recharges itself after 24 hours.

Aside from quickly adapting to emergency and non-emergency statuses, the ISL-54 can accommodate most two to four feet T5 and T8 fluorescent lamps.


Included with the ISL-54 system is a Ni-Cad battery. These types of batteries not only have a long life, usually 7 to 10 years, but they are also resistant to high temperatures. This is particularly important when it comes to fluorescent lamps, which produce a lot of heat.


The ISL-54 T5 emergency ballast can be had for under $200 and has a high lumen output. With a 54W T5 lamp, this emergency ballast can produce up to 825 lumens, helping you light a space with fewer lamps and fixtures, which save you money.

To learn more about the ISL-54 T5 emergency ballast, check out our product page, which gives a full breakdown of the features.