The Tridonic PCA 2x58 T8 ECO lp xitec II is a dimmable high-frequency ballast to run: 2 x 58 Watt 5ft T8 G13 type fluorescent tubes. Tridonic article number: 28000041 Additonal information: Processor-controlled ballast with xitec II inside Highest possible energy class CELMA EEI = A1 BAT (See Tridonic Website Here) Noise-free precise control via DALI or DSI signal, switchDIM or corridorFUNCTION Nominal life-time up to 100,000 h (at ta 50 °C with a failure rate ≤ 0.2 % per 1,000 h) Multilamp management OEM-specific reserved memory areas 5-year guarantee