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Clear horizontal PL LED bulb with 4-pin base

Philips

Philips Instafit 8.5 W PL-C/T LED 4-Pin 3500K standard bulb

SKU CH-FXF9-8ZSFB

An 8.5 W PL-C/T LED lamp with a 4-pin G24q/GX24 base and 3500 K colour temperature

  • TypeLight Bulbs
  • ColorClear
  • 5 W LED replaces 26 W fluorescent for lower energy use
  • 4-pin G24q/GX24 base fits existing PL-C/T fixtures without rewiring
  • 3500 K colour temperature provides neutral white light for workspaces
  • Clear finish delivers full brightness without diffusion loss
  • Horizontal PL orientation directs light sideways for troffer and downlight applications

Philips Instafit 8.5 W PL-C/T LED

This Philips Instafit LED lamp consumes 8.5 W and uses a 4-pin G24q or GX24 base. It delivers a 3500 K colour temperature in a clear finish. The horizontal PL-C/T shape suits compatible recessed or surface-mounted fixtures. First listed by the manufacturer in 2020, it carries part number 458380.

Installers retrofitting 26 W CFLs

The lamp is designed for direct installation on existing magnetic or electronic ballasts without rewiring. It suits maintenance teams wanting a quick swap in offices, retail or hospitality spaces. Buyers whose fixtures require a different pin spacing, voltage or physical length should look at alternative solutions.

Works with compatible ballasts

The 4-pin base plugs into matching G24q or GX24 sockets, leaving the existing ballast in place. This frees the installer from rewiring the circuit or replacing the driver. Ensure the installed ballast appears on the manufacturer’s compatibility list before fitting.

Highlights

  • 5 W LED replaces 26 W fluorescent for lower energy use
  • 4-pin G24q/GX24 base fits existing PL-C/T fixtures without rewiring
  • 3500 K colour temperature provides neutral white light for workspaces
  • Clear finish delivers full brightness without diffusion loss
  • Horizontal PL orientation directs light sideways for troffer and downlight applications

Specifications

BrandPhilips
TypeLight Bulbs
ColorClear

Questions about this item

Does the 4-pin G24q socket in my existing fixture accept this lamp directly?

Yes, the 4-pin base fits G24q and GX24 sockets so the lamp plugs straight in without rewiring.

Will the 8.5 W LED run on the magnetic ballast already in my 26 W PL-C fixture?

The Instafit design operates on compatible magnetic ballasts, letting you keep the existing ballast instead of bypassing it.

How can I confirm the 3500 K colour temperature is correct once the lamp is installed?

Switch the fixture on and verify the light appears neutral white, matching the 3500 K rating printed on the lamp base.

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