LED safety sign light for central emergency power supply via 48V DC, for individual monitoring of the light via powerline in conjunction with the nBox system, adjustable emergency light level. Surface-mounted; housing made of polycarbonate (PC) in white (RAL 9016), injection-molded; operating device with NFC interface for addressing, configuration, and maintenance via PROset Pen or PROset App; addressing also possible visually; easy installation of the light; maintenance-free due to LED technology; lifespan of 50,000 hours at constant luminous flux. Uniform backlighting of the pictogram; luminous intensity over 500 cd/m² in the white area. Power supply: 48 V AC; light output: 3.5 W; protection class: IP54, protection category: SC2; impact resistance: IK05; standby and continuous operation adjustable via the nBox, continuous operation: -30°C to +35°C, standby operation: -30°C to +40°C; power supply: 48 V DC; dimensions of the light with safety sign: 332 x 44 x 210 mm; weight: 0.65 kg; light wired without halogen; maximum cable length from the emergency power source to the last light: 200 m; light with D marking for use in an environment where the accumulation of non-conductive dust on the light can be expected.