More informationSelf-contained emergency lighting LED driver with self-test function ¦ Non maintained operation ¦ For LED modules with a forward voltage of 48 – 250 V ¦ For luminaire installation ¦ EM = Emergency ¦ Nominal lifetime up to 100,000 h ¦ 5 years guarantee (conditions at www.tridonic.com) ¦ 1, 2 or 3 h rated duration selectable with duration link ¦ Constant power output ¦ {nobullet} Self-test: ¦ Weekly function test ¦ Yearly duration test ¦ 3-pole technology: 2-pole LED module changeover and delayed power switching for the LED driver ¦ For further information see data sheet, LED driver compatibility ¦ Intelligent charge system ¦ Deep discharge protection ¦ Polarity reversal protection for battery ¦ NiCd or NiMH batteries ¦ 4 year design life ¦ 1 year guarantee (conditions at www.tridonic.com) ¦ For battery compatibility refer to data sheet, battery selection