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GentleSpace gen2 – the new standard in industrial high-bay lighting, combining functionality with design

GentleSpace gen2

GentleSpace gen2

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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 is setting a new standard in the market, with an improved total cost of ownership, even in extreme conditions. In addition, a high diversity of options are available to ensure an ideal solution for your application like optics, coatings and enabling the use of 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 even more savings
    Extremely long lifetime of up to 70,000 hours
    Improved thermal management to withstand ambient temperatures up to 45 °C
    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 at least 45%


    Industrial halls and warehouses
    Exhibition halls
    Food production area and Sports hall
    High temperature engineering area
    Software Plugins
    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 Colour Temperature
    • 4,000 K
    Colour Rendering Index
    • > 80
    Median useful life L70B50
    • 70,000 hours
    Median useful life L80B50
    • 50,000 hours
    • For XT version: 100,000 hours at Ta 45°
    • 50,000 hours at Ta 60°
    Median useful life L90B50
    • 25,000 hours
    Average ambient temperature
    • +25ºC
    • XT version with Ta 60°
    Operating temperature range
    • -30 to +45ºC
    • For XT version up to Ta +60ºC
    • Built-in (self-ballasted LED module)
    Mains voltage
    • 220-240 V AC/50-60 Hz
    • 186-250 V DC
    • Dimmable (PSD)
    Control system input
    • DALI (25,000 lm version requires 2 DALI addresses)
    • The 25,000 and 30,000 versions require 2 drivers
    • Housing: die-cast aluminium
    • Optic: PMMA
    • Cover: thermally toughened clear glass
    • Silver grey (SI), white (WH)
    • Other RAL colours 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 of up to 100,000 hours (XT version) is valid throughout the whole temperature range of -30ºC to +45ºC
    • 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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