Suitable for ceiling mounting: Yes; Suitable for built-in mounting: Yes; Suitable for surface mounting: Yes; Suitable for workplace according to EN 12464-1: Yes; Lamp type: LED not exchangeable; With light source: Yes; Housing material: Coated Steel; Housing colour: White; Material cover: Without cover; Type of grid: White; Voltage type: AC/DC; Nominal voltage: 220~240 V; Nominal current: 200 mA; Type of control gear: LED operating device current-controlled; With control gear: Yes; Exchangeable control gear: Yes; Dimming DALI-2: Yes; Dimming DALI: Yes; Light distributor: Diffuser lens/optic/panel; Light sharing: Symmetric; Beam angle: Extreme wide beam >80°; Colour consistency (McAdam ellipse): SDCM6; Light outlet: Direct; Energy efficiency class of the light source according to EU regulation 2019/2015: D; Rated life time L70/B50 at 25 °C: 70000 h; Lifetime (L70): 70000 h; Max. number of luminaires per miniature circuit breaker B16 (MCB): 11; Max. number of luminaires per miniature circuit breaker C16 (MCB): 19; Lifetime (L80): 50000 h; Degree of protection (IP): IP20; Equivalent to: TL 4x18W; Driver failure rate (at 5,000 hrs): 1 %; Impact strength: IK02; Application temperature: 25 °C; Protection class: I; Storage environment: -25~50 °C; Frequency: 50/60 Hz; On-/Off-cycles: 100000; Rated ambient temperature according to IEC 62722-2-1: -10~40 °C; Colour consistency (SDCM): 3; Equivalent to (2): T5 4x14W; Anti-glare limiting UGR lengthwise: 16; Anti-glare limiting UGR crosswise: 16; Filament test according to IEC 60695-2-11: 650 °C - 30 s; Max. system power: 33 W; Luminaire efficacy: 130 lm/W; Rated luminous flux according to IEC 62722-2-1: 4300 lm; Colour of light: White; Colour temperature: 4000 K; Colour rendering index CRI: 80-89; Power factor: 0.9; Width: 598 mm; Height/depth: 75 mm; Length: 598 mm; Built-in length: 570 mm; Built-in width: 570 mm; Built-in height/depth: 250 mm; Input current: 0.18 A; Type of wiring: Ending; Weight: 4.85 kg; Beam angle: 90 °; Connection type: Push-in clamp; Dimmability: DALI; Glow wire test: 650 °C; Photobiological safety according to EN 62471: RG0; UGR: 16; Operating temperature: -10~40 °C; Unified Glare Ratio (UGR): 16; Optical material: Polycarbonate; Colour of light adjustable: No; Cover material: Semi-opaque PMMA; Luminous flux adjustable: No; Beam angle adjustable: No; Finishing: White RAL9003; Colour rendering index (CRI): > 80; DC input voltage: See catalogue appendix Connection Specifications; Risk group (EN 62471): RG0; Max. inrush current: 41.92 A; Inrush time: 240 µs; Max. number of luminaires per miniature circuit breaker C10 (MCB): 11; UGR: ≤ 16; Max. number of luminaires per miniature circuit breaker C13 (MCB): 15; Nominal voltage DC: 180~280 V; System power: 33 W