Product name START Surface IP44 1550lm MW 830/840 DualTone Technology LED Cap/Base N/A Housing Steel Mount Ceiling surface mounting General application Hospitality Operating temperature range (°C) -20°C - 40°C Performance ambient temperature Tq (°C) 25 ETIM Class EC002892 Warranty 3 years Optical data Fixture luminous flux (lm) 1550 Luminaire efficacy (lm/W) 85 Colour temperature (K) 4000 Correlated colour temperature range (K) 3000 - 4000 Light colour Amber White or Neutral White CRI (Ra) 80 Colour Variation Initial (SDCM) SDCM6 Beam Angle (°) 120 Distribution type Diffuse Photobiological Risk Group RG0 Electrical data Total power consumption (W) 18 Mains voltage (V) 220-240V Lamp power factor 0.7 THD (at 230 V, 50 Hz, full load, at 100% dimming level) ? xx.x % 70 Electrical protection Class I Control gear type LED driver constant current Dimmable No Minimum dimming level (%) 100 Drive current (mA) 57 Inrush Current (A) 2 Inrush Duration (µs) 30 Glow Wire Test (°C) 650 Energy Efficiency Class (A->G) of contained light source E Nominal Frequency (Hz) 50Hz LED Flickering Rate High (>40%) Max. Luminaires per 10A C Breaker 15 Max. Luminaires per 13A C Breaker 20 Max. Luminaires per 16A C Breaker 24 Max. Luminaires per 20A C Breaker 30 Max. Luminaires per 10A B Breaker 15 Max. Luminaires per 13A B Breaker 20 Max. Luminaires per 16A B Breaker 24 Max. Luminaires per 20A B Breaker 30 Lifetime data Lifespan L70 B50 90000 Lifespan L80 B50 90000 Lifespan L90 B50 45000 Physical data Housing colour White IP rating IP44 IK rating IK03 Diffuser finish Opal Diffuser material Polypropylene Nominal Product Height (mm) 96 Nominal Product Diameter (mm) 330 Weight (kg) 0.55