Product advantages: Very versatile due to a selectable light color (Multi Color) in 3000K and 4000K. Interior light fitting with an efficiency of up to 120 lm/W. High color consistency with SDCM 3. Tool-free electrical connection thanks to push-button terminal block. Simple securing system to prevent unauthorized accessProduct properties: Dimmable (on many commercially available dimmers). Degree of protection: IP54 (wall and ceiling mounting). Impact resistance: IK10. Service life (L80/B10): up to 75,000 h (at 25 °C). Polycarbonate (PC) housing, PC diffuser. Operating ambient temperature range: -20…+45 °C. Glow wire test according to IEC 60695-2-12: 850 °C. 5-pole terminal block, cable cross-section up to 5 x 2.5 mm². Wiring possible. For indoor use only, not suitable for outdoor use. Available versions of the SF DISC family: dimmable, on/off, DALI-2, sensor and/or emergency lighting functionTechnical equipment: Including mounting screws and dowelsSafety instructions: All electrical connections must only be carried out by qualified personnel. Caution, risk of electric shock.Electrical data: Rated power: 21.00 W, rated voltage: 220…240 V, mains frequency: 50/60 Hz, rated current: 90 mA, inrush current: 10 A, inrush current duration Th50: 300 µs, max. number of light fittings circuit breaker B16: 22, max. number of light fittings on fuse C10 A: 42, max. number of light fittings circuit breaker C16: 36, power factor ?: > 0.90, harmonic content: < 20 %, protection class: II, surge voltage resistance (L – N): 1000 V, operating mode: integrated LED driverPhotometric data: Luminous flux: 2520 lm, luminous efficacy: 120 lm/W, color temperature: 3000 K / 4000 K, reference setting of the included light source (Kelvin): 4000 K, light color (designation): Warm white, Cool white, color rendering index Ra: > 80, standard deviation of color matching: 3 sdcm, flicker-free: Yes, flicker measurement value (Pst LM): <1, measurement value for stroboscopic effects (SVM): <0.4, photobiological risk group according to EN62778: RG0, radiation angle: 125 °Dimensions & Weight: Diameter: 300.00 mm, Height: 56.00 mm, Product weight: 1135.00 gMaterials & Colors: Product color: White, Housing color: White, RAL number: RAL 9003, Housing material: Polycarbonate (PC), Cover material: Polycarbonate (PC), Material of the light-emitting surface: Polycarbonate (PC), Glow wire test according to IEC 60695-2-12: 850 °C, Mercury content of the lamp: 0.0 mgApplication & Installation: Ambient temperature range: -20…+45 °C, Storage temperature range: -20…+80 °C, Connection type: Terminal block, Degree of protection: IP54, Protection class IK (impact resistance grade): IK10, Dimmable: Yes, Type of dimming: PHASE CUT, Dimming range: 5…100 %, Mounting type: Surface-mounted, Installation location: Ceiling, Wall, Application environment: Indoor applications, Adjustable: No, With lamp: Yes, Replaceable light source unit: NoService life: Service life L70/B50 at 25 °C: 75000 h, Service life L80/B10 at 25 °C: 75000 h, Number of switching cycles: 100000Control gear: Output current: 450 mA, Electronic control gear - output ripple current: < 5 %Certificates & Standards: Standards: CE, CB, UKCA, EAC, ENEC, Light fitting with limited surface temperature D-mark: No, Ball impact resistant: No, Replaceable light source (EPREL): Only by an expertAdditional product data: Product note: Available from December 2025, Additional function: MULTI SELECT, BEG eligible: YesPRODUCT DATA SHEET ON ENVIRONMENTAL CHARACTERISTICS AND FEATURES: Minimum proportion of recycled material in the packaging: 80 %, Minimum proportion of recycled material in the product: 0 %, Recyclability of the product: Largely recyclable product, Recyclability of the packaging: Largely recyclable packaging, List of hazardous substances contained in the product in concentrations greater than 0.1 % by mass: No, Contains substances of very high concern in concentrations of more than 0.1 % by mass: Yes, List of substances of very high concern