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Four foot linear LED wraparound fixture with beveled square lens in white finish

Acuity Lithonia

Acuity Lithonia LBL4 LP840 4 ft 4000K LED Wraparound Light Kit

SKU CH-3DYW-NC1QJ

A 4 ft surface or suspended LED wraparound kit delivering 4,253 lm at 4000K with 122 lm/W efficacy and 32 W maximum draw

  • 4 ft wraparound fixture delivers 4,253 lumens for broad coverage
  • 122 lm/W efficiency keeps energy use low at 32 W max
  • 4000 K neutral white suits offices, corridors and retail spaces
  • Integrated LED replaces three T8 lamps with no separate bulbs needed
  • Dimmable and surface- or suspended-mount for flexible installation

4 ft LED Wraparound Fixture

This 4 ft surface-mounted wraparound fixture delivers 4,253 lumens at 4000K colour temperature. Integrated LED technology replaces three T8 fluorescent lamps while drawing a maximum of 32 W. The dimmable driver allows light-level adjustment for commercial or residential spaces. Suitable for suspended or surface mounting on ceilings.

Integrated LED and Dimming

The built-in LED array removes the need for separate lamp purchases and ballast maintenance. Dimmable operation lets occupants tune brightness to task requirements without external control gear. No sensor is included, so automatic occupancy or daylight harvesting requires separate devices. Linkable function is not supported on this model.

122 lm/W Efficacy

At 122 lumens per watt the fixture meets high-efficiency targets for energy-code compliance. The 32 W maximum draw determines circuit loading and transformer sizing for multi-unit runs. Buyers needing higher lumen output or lower power density must select a different specification.

Highlights

  • 4 ft wraparound fixture delivers 4,253 lumens for broad coverage
  • 122 lm/W efficiency keeps energy use low at 32 W max
  • 4000 K neutral white suits offices, corridors and retail spaces
  • Integrated LED replaces three T8 lamps with no separate bulbs needed
  • Dimmable and surface- or suspended-mount for flexible installation

Specifications

BrandLITHONIA LIGHTING

Questions about this item

Will the integrated LED array need replacing, and how long is it rated to last?

The fixture uses an integrated LED module rated for long life; no separate bulb changes are required.

At 32 W and 122 lm/W, what thermal limit appears first during continuous operation?

The driver and LED junction temperature are the limiting factors; the housing is designed to dissipate 32 W without active cooling.

How much audible noise and heat does the 4000 K unit produce when run all day?

The driver operates silently; the 32 W power draw becomes warm to the touch but stays within normal ceiling-surface temperatures.

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