Ecosystem. 5% dimming) universal voltage digital liming ballasts + Dimming to 5% + Compatible with Lu tron 3-wire fluorescent controls and Eco System digital controls + Energy saving Ive ballast Lamps input Input Input Ballast System System | Efficacy | System Lamp per Case: Voltage : Current: Power Factor Lumen Efficacy! Factor | Efficacy Watts Ballast Model Number | Type | GACRUX. A) Mh BET mi (mat BER FSH 277 0.08 208 0.95 1140 55 4.57 0.82 1a 1) EGsBTHORUL® K 240 00a: 214 0.98 1.140 53 4.44 0.