Suitable for surface mounting: Yes; Suitable for built-in mounting: Yes; Adjustability: Not adjustable; Lamp type: LED not exchangeable; With light source: Yes; Lamp holder: None; Housing material: Die-casted Aluminum; Housing colour: Black; Voltage type: AC/DC; Nominal voltage: 220~240 V; Nominal current: 315 mA; Type of control gear: LED operating device current-controlled; With control gear: Yes; Exchangeable control gear: Yes; No dim function: Yes; Reflector: Matt; Light distributor: Reflector; Light sharing: Symmetric; Beam angle: Wide beam 41-80°; Lifetime (L70): 70000 h; Light outlet: Direct; Lifetime (L80): 50000 h; Energy efficiency class of the light source according to EU regulation 2019/2015: F; Equivalent to: CFL 2x26W; Driver failure rate (at 5,000 hrs): 1 %; Application temperature: 25 °C; Rated life time L70/B50 at 25 °C: 70000 h; Storage environment: -25~50 °C; Frequency: 50/60 Hz; On-/Off-cycles: 100000; Colour consistency (SDCM): 3; Degree of protection (IP): IP44; Impact strength: IK02; Protection class: II; Rated ambient temperature according to IEC 62722-2-1: -10~40 °C; Max. system power: 23 W; Colour of light: White; Colour temperature: 3000 K; Colour rendering index CRI: 80-89; Rated luminous flux according to IEC 62722-2-1: 2480 lm; Power factor: 0.9; Colour of light adjustable: No; Luminous flux adjustable: No; Beam angle adjustable: No; Width: 225 mm; Height/depth: 73 mm; Length: 225 mm; Outer diameter: 225 mm; Built-in diameter: 200 mm; Type of wiring: Ending; Max. number of luminaires per miniature circuit breaker B16 (MCB): 26; Max. number of luminaires per miniature circuit breaker C16 (MCB): 43; Filament test according to IEC 60695-2-11: 650 °C - 30 s; Weight: 0.76 kg; Beam angle: 70 °; Luminaire efficacy: 108 lm/W; Dimmability: On-Off; Photobiological safety according to EN 62471: RG1; Glow wire test: 650 °C; Operating temperature: -10~40 °C; UGR: 22; Colour consistency (McAdam ellipse): SDCM6; Optical material: Polycarbonate; Unified Glare Ratio (UGR): 22; IP recessed part: IP20; Finishing: White RAL9003; Colour rendering index (CRI): > 80; DC input voltage: See catalogue appendix Connection Specifications; Risk group (EN 62471): RG0 / RG1 (23W, 33W & 44W); Input current: 0.12 A; IP front side: IP44; Max. inrush current: 18 A; Inrush time: 800 µs; Max. number of luminaires per miniature circuit breaker C10 (MCB): 26; UGR: ≤ 22; 230V Cable length: 0.3 m; Max. number of luminaires per miniature circuit breaker C13 (MCB): 34; Nominal voltage DC: 200~300 V; System power: 23 W