Philips Lighting 458307 PL-T Triple U-Tube CFL, 33W, 4-Pin GX24q-3, 3500K

Philips Lighting 458307 PL-T Triple U-Tube CFL, 33W, 4-Pin GX24q-3, 3500K

The Philips Lighting 458307 PL-T 32W/835/A/4P/ALTO is a dimmable PL-T triple U-tube linear compact fluorescent lamp built for commercial and light-industrial fixtures that require a compact, high-output light source. This 33-watt lamp uses a 4-pin GX24q-3 base for compatibility with dimming and programmed-start ballasts, and it delivers 2250 lumens at a 3500K color temperature with an 82 CRI rating for accurate, natural color rendering. As part of Philips' Alto® lamp family, this PL-T lamp is engineered to combine energy efficiency with consistent, reliable performance across its rated service life, making it a practical retrofit or new-installation choice for facilities managers and electrical contractors specifying compact fluorescent lighting.

Key Features

• Lamp Type: PL-T triple U-tube linear compact fluorescent design for compact, high-lumen-density fixtures.
• Light Output: 33-watt lamp delivering 2250 lumens for reliable general and task lighting applications.
• Color Temperature: 3500K neutral white light with an 82 CRI for accurate color rendering in commercial spaces.
• Base Configuration: 4-pin GX24q-3 base designed for use with dimming and programmed-start electronic ballasts.
• Dimmable Operation: Compatible with dimming ballast systems for flexible lighting control in occupied spaces.
• Alto® Technology: Part of the Philips Alto® lamp platform, engineered for efficient, dependable fluorescent lighting performance.

Technical Specifications

• Wattage: 33W
• Lumens: 2250
• Color Temperature: 3500K
• CRI: 82
• Base: 4-Pin GX24q-3
• Lamp Family: PL-T Triple U-Tube
• Dimmable: Yes

Typical Applications

• Commercial Office and Retail Lighting Fixtures
• Dimmable Lighting Systems in Conference and Occupied Spaces
• Compact Fluorescent Retrofit Projects
• Facilities Requiring Neutral White, High-CRI Illumination
• Light-Industrial and Institutional Lighting Applications

Why Philips Lighting?

Philips Lighting's PL-T Alto® series pairs efficient compact fluorescent technology with dimmable operation, giving electrical contractors and facility managers a dependable lamp for spaces that demand accurate color rendering and flexible light control. Backed by Philips' long-standing reputation in commercial lighting, the 458307 lamp is built to deliver consistent 3500K output and 82 CRI performance across its service life, supporting professional installations where reliability and lighting quality matter most.