This is the Tridonic PC 3/4x18 T8 Pro, a non-dimmable high frequency ballast to run 3 or 4 x 18w T8 fluorescent tubes.
These ballasts have a nominal life time of up to 100,000 hours and provide a constant luminous flux even with fluctuations in mains voltage.
Tridonic T8 Pro ballasts also have an automatic start after replacement of defective lamps and a safety shutdown of defective lamps at the end of a lamps life.
All T8 pro ballasts are suitable for use in emergency fittings, in line with EN 50172
Tridonic article number: 22185219
Dimensions: L 230mm, W 30mm, H 28mm
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