Product description_ Emergency lighting LED driver with DALI interface and automatictest function_ For self-contained emergency lighting_ SELV for output voltage < 60 V DC_ Low profile casing (21 x 30 mm cross-section)_ EM = Emergency_ 5 years guarantee (conditions athttps://www.tridonic.com/en/int/services/manufacturerguarantee-conditions)Properties_ Mains and emergency operation_ DALI interface for controlled testing and monitoring_ DALI switchable in mains operation (on/off); the switched phaseSL must be switched on_ Constant current mode_ With either screw or clip fastening (clip-fix)_ 1, 2 or 3 h rated duration_ Selectable operating time (jumper)_ Output power limitation_ Two-colour status display LED_ Automatic restart after LED replacement_ Electronic multi-level charge system_ SELV classified (outputs powerLED, battery, status LED, testswitch)_ Polarity reversal protection for battery_ Deep discharge protection_ Very low energy consumption from the battery after activation ofthe deep discharge protection_ Short-circuit-proof battery connection_ Addressing function, patented (“EZ easy addressing”)_ Emergency lighting LEDs available Tests:_ Status of the battery_ Status of the LED_ Charge condition_ Function test_ Duration testBatteries_ High-temperature cells 2 Ah_ NiMH batteries_ Cs cells_ NiMH: 4 years design life / 2 years guarantee (conditions athttps://www.tridonic.com/en/int/services/manufacturerguarantee-conditions)