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        Product family information

        With the introduction of the GentleSpace LED luminaire in 2011, Philips achieved a breakthrough in high-bay lighting, offering a huge reduction in power consumption, a long service life and an innovative design. Now, with GentleSpace gen2, Philips continues to improve even further: an improved total cost of ownership, even in extreme conditions with the the GS-2 Xtreme version, which can be used up to +60 °C or 100,000 hrs of lifetime (L80), both ensured by an integrated over-heat protection. In addition, a wide variety of options – e.g. optics, coatings, mounting possibilities, cover materials and suitable for explosive zones 2/22 – are available to ensure an ideal solution for your application. Additionally, the GentleSpace gen2 can be equipped for use in a central emergency grid (PSED).


        Extremely favorable total cost of ownership
        Customizable for high diversity of applications
        Proven reliability


        Improved efficiency of up to 143 lm/W
        DALI-addressable for further energy savings (250S and 320S require two DALI addresses)
        Extremely long lifetime of up to 100,000 hours (XT version)
        Improved thermal management to withstand ambient temperatures up to 60 °C (XT version)
        Iconic design for architectural appeal
        Small surface makes it possible to meet ESFR sprinkler requirements
        Fully compliant with EN-12464-1; low glare rating and color rendering of ≥ 80
        Suitable for new builds or point-for-point replacement of HPI 250 W, HPL 400 W or HPI 400 W, reducing energy consumption by up to 60%
        Wide variety of optics, including asymmetrical for side-lit applications (ideal for indoor sports halls and industry) and very narrow beams for industrial halls up to 40 meters
        Polycarbonate or PMMA cover available for use in food industry


        (Heavy) industry, food production and warehouses
        Exhibition halls
        Indoor sports halls
        Product family details
        • BY470P (13,000 lm version)
        • BY471P (17,000 and 25,000 lm versions)
        Light source
        • Philips Fortimo LED Line 1R
        • BY470P: 95 W
        • BY471P: 126 and 180 W
        Luminous flux
        • GRN versions: 13,000, 17,000 and 25,000 lm
        • ECO versions: 13,000, 17,000, 25,000 and 32,000 lm
        • XT versions: 17,000 and 25,000 lm
        Correlated Color Temperature
        • 4000 K
        Color Rendering Index
        • > 80
        Lumen maintenance at median useful life* 50000 h
        • GRN versions: L85
        • ECO versions: L80
        • XT versions: L95
        Control gear failure rate at median useful life 50000 h
        • GRN versions: 5%
        • ECO versions: 5%
        • XT versions: 5%
        Lumen maintenance at median useful life* 100000 h
        • GRN versions: L70
        • ECO versions: L65
        • XT versions: L85
        Control gear failure rate at median useful life 100000 h
        • GRN versions: 10%
        • ECO versions: 10%
        • XT versions: 10%
        Performance Ambient Temperature Tq
        • +25 ºC
        • Built-in (self ballasted LED-module)
        Mains voltage
        • 220-240 V AC / 50-60 Hz
        • 186-250 V DC
        • Dimmable (PSD)
        Controls system input
        • DALI (25,000 lm version requires 2 DALI addresses)
        • The 25,000 and 30,000 versions require 2 drivers
        • Housing: die-cast aluminum
        • Optic:PMMA
        • Cover: thermally toughened clear glass
        • Silver grey (SI), white (WH)
        • Other RAL colors available on request
        • Narrow beam (NB)
        • Medium beam (MB)
        • Wide beam (WB)
        • High-rack (HRO)
        • Asymmetrical mirror axis angle 50° (A50)
        Optical cover
        • Glass cover (tempered, clear); optional PC or PMMA cover
        • Wall mounting
        • Installation without removing lamps and optic/cover
        • Y-grippel
        • Mounting bracket (optional)
        • External IP65 electrical connector
        • Mounting brackets (BY470Z, BY471Z)
        • Wall mounting bracket
        • The lifetime for upto 100,000 hours (XT version) is valid throughout the whole temperature range of -30 ºC up to +45 ºC
        • External IP65 connector and Y-grippel suspension set are included
        • Overheat protection in XT version to ensure long maintenance-free life
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