22185209 is an Electronic Ballast with highest CELMA energy efficiency index A2 BAT. It offers nominal life-time up to 100000 hours, large temperature range, intelligent voltage guard, precise lamp operation using adjustment of lamp parameters, advanced SMART-Heating for minimum 50000 starts without replacement of lamps and constant luminous flux irrespective of fluctuations in mains voltage. It is designed for THD <10%, luminaires of protection class I and protection class II, automatic start after replacement of defective lamps, safety shutdown of defective lamps and at end of lamp life, Insulation Displacement Connection (IDC) terminal for rapid automatic or manual wiring and for emergency lighting systems as per EN 50172.