unique design, resistant against humidity and dust, with IP66 enclosure rating and built-in aluminium heat sinks; optimal mounting height: 10 to 15 m; electronic driver ON/OFF (AC, DC on request), backup power supply with self-test. 3 hours operating time.; emergency back-up power supply for permanent and emergency lighting, connected to L3 (lum. flux 440lm); Body: grey PC (high mechanical resistance, UV stability, RAL 7035); Diffuser: translucent PC (high mechanical resistance, UV stability); Reflector: parabolic polished aluminium with narrow beam (NB) angle; Clips: polyamide + 15 % fibreglass; Sealing: polyurethane (PUR), foam-filled base groove; Connection: screwless five-pole terminal block; Power: 71,1 W; Luminaire flux: 10340 lm; Lifetime: L90/B10; 50000 hours; Impact strength: IK10; Ambient temperature: 0|40 °C; Weight: 4,1 kg;