LED safety sign light, light for central emergency lighting supply through 48V DC, for individual monitoring of the light via Powerline in conjunction with the nBox system, adjustable emergency light level. Installation, housing made of white polycarbonate (PC) (RAL 9016), injection-molded, operating device with NFC interface for addressing, configuration and maintenance using PROset Pen (item no.: 22170290) or PROset app, addressing also possible optically, easy installation of the light, maintenance-free thanks to LED technology, service life of 50,000 hours with constant luminous flux. Uniform backlighting of the pictogram, luminance > 500 cd/m² in the white area. Power supply: 48/-1 V AC, lamp power: 3.5 W, protection type: IP54, protection class: SC2, impact resistance: IK05, standby and maintained mode adjustable via the nBox, maintained mode: -30°C to +35°C, standby mode: -30°C to +40°C, power supply: 48 V DC (FELV), dimensions of the lamp with safety symbol: 332 x 44 x 210 mm, weight: 0.65 kg, lamp wired halogen-free, cable length from the emergency power source to the last lamp max. 200 m, lamp with D mark (for use in an environment in which a deposit of non-conductive dust on the lamp can be expected),