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R
Robert T.
good product

The 2x4 troffer format suited our drop ceiling. I like having both wattage and color-temperature choices. Getting the light appearance right is easier when there is some adjustment available.

Frequently asked questions

  • What are the dimensions? Will it fit my ceiling grid?

    47"L × 23.5"W × 1.7"H (1194 × 597 × 45 mm) — fits standard 2×4 ft T-grid drop ceilings, the most common commercial grid size. Direct replacement for old 2×4 fluorescent troffers.

  • How do I install it? Do I need tools?

    No tools required. Set the switches on the back, connect the wires, and drop the panel into the grid. Suspended and surface-frame mounting also supported (kits not included).

  • How do I set wattage and color temperature?

    Slide switches on the back: 5 wattages (72W/60W/50W/40W/30W) and 5 color temperatures (3000K/3500K/4000K/5000K/6500K), set during installation.

  • Which wattage and color temperature should I choose?

    30–40W for lower ceilings and corridors; 50–60W for offices, classrooms and retail; 72W (up to 9,720 lumens) for large or high-ceiling spaces like exhibition halls and warehouses. 3000K warm, 4000K neutral, 5000–6500K daylight.

  • Is it dimmable? Does the dimmer come included?

    Yes — smooth 0-10V dimming from 100% to 0% with no flicker. The dimmer is not included, but you can add our G GJIA 0-10V LED Dimmer Switch (UL Listed) from this store.

  • Is it certified for commercial installation?

    Yes. ETL/cETL, FCC, CE and RoHS certified, AC120–277V input, 5-year warranty and 30-day free returns. Up to 135 lm/W and 50,000-hour lifespan.