Product Overview

Philips 26824-3 PL-T 26W/835/4P ALTO - 26W Triple Tube Compact Fluorescent Lamp, 3500K Natural White, GX24q-3 4-Pin Base

Philips PL-T 26W/835/4P ALTO (CFTR26W/GX24q/835) is a compact, high-efficiency triple-tube CFL with ALTO low-mercury technology. Featuring a 4-pin GX24q-3 base, it's optimized for electronic ballasts, providing bright neutral white light ideal for recessed downlights, wall sconces, commercial fixtures, and general indoor ambient lighting. Delivers strong output in a space-saving design.

Key Specifications

Wattage: 26W
Color Temperature: 3500K (Natural White / Neutral White)
Base: GX24q-3 (4-Pin Plug-In)
Initial Lumens: 1,800 lm
CRI (Color Rendering Index): 82
Rated Average Life: 12,000 hours (up to 16,000–20,000 hours on optimal electronic ballasts)
Maximum Overall Length (MOL): 5 inches (approx. 127–130 mm)
Philips Ordering Code: 26824-3 (PL-T 26W/835/4P/ALTO or CFTR26W/GX24q/835)
Technology: ALTO® Low Mercury
Bulb Shape: Triple Tube (PL-T / 3U)

Features & Benefits

ALTO® Technology: Reduced mercury for environmentally responsible disposal (passes EPA TCLP guidelines).
Triple-Tube Design: Compact 3U shape for high light output and uniform distribution in small fixtures.
Energy Efficient: Optimized for electronic ballasts – flicker-free starting, lower operating costs, and improved system efficacy.
Good Color Quality: CRI 82 for natural rendering in neutral white light.
Dimmable: Compatible with electronic dimming ballasts for flexible control.

Applications

Recessed downlights and troffers in offices, retail, and hospitality.
Wall sconces, ceiling fixtures, and ambient general lighting.
Commercial buildings, corridors, and task areas needing bright, consistent illumination.
Energy-efficient retrofits for existing 4-pin CFL fixtures.

Sustainable, reliable CFL for neutral white lighting in professional settings—provides excellent output with minimal environmental impact. These lamps are increasingly replaced by LED equivalents for longer life and greater savings.