2x80W T5 High-Output Ballast

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Replacement ballast for ATI T5 lighting fixtures. If a ballast goes bad, it is best to wait to disassemble and remove the old one until the new ballast is there and then swapping the ballast out will just take a few minutes.


ATI replacement ballast for 2x80W T5 Fixtures. Ballast is not dimmable.

The ballasts can be used for other fixtures and retrofit kits. Wiring diagram is printed directly on the ballast.


Trouble Shooting

More Information
SKU 209494
Lighting Type Fluorescent
Fluorescent Bulb Wattage 80 watt
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Product Questions

Can this be used on 54w bulbs to overdrive them like the icecap 660?
Question by: Joseph on Jun 8, 2017, 5:29 PM
While we are familiar with the use of the Ice Cap ballasts for this use, I'm afraid we don't have information on the ATI's as to whether or not they could be used in this manner. Typically we don't recommend overdriving T-5's as they are already set up to provide peak PAR/output efficiency within a specific operating temperature range and going outside of this range leads to losses in efficiency and shortened bulb life.

Happy reefing!
Answer by: Zack on Jun 13, 2017, 10:08 PM
2x80W T5 High-Output Ballast - ATI
do you sell the wiring harnesses for these ballasts.
Question by: emil on May 3, 2017, 7:37 PM
Hey there,
We do sell wiring harnesses for the ballasts which can be purchased at the link below.


Happy reefing!
Answer by: Zack on May 8, 2017, 12:57 PM