Combi

1 x28-33w 3hr 3Cell TC-DD Low Output Combo HF Ballast – Tridonic – 89899943 89899943 Tridonic 89899980 PC1X28-33LOEDD Emergency Combo for CFL   Combination electronic ballast and emergency lighting unit. For use with TC-DD compact fluorescent lamps. 3 hour rated duration, short circuit proof battery connection. NiCd batteries, separate battery pack with high temperature cells. …