Lighting Science A19 40WE Bulb
Lighting Science A19 40WE BulbLighting Science A19 40WE Bulb

Lighting Science 4 Watt LED A19 Bulb – 40 Watt Equal

SKU: LS-A19-40WE-XX-120-FIL-BX. Categories: , .

Product Description

Created with quality craftsmanship, the Lighting Science 4 Watt LED A19 Bulb – 40 Watt Equal is unmistakably lighter and more efficient than ever before. This LED lamp truly replicates the traditional look and feel of an incandescent A19, but performs better and at a fraction of the cost! It’s your best dimmable, Energy Star rated A19 value on the market.  Available in 40WE this lamp beats it’s competitors hands down.

  • Equivalent Source: 40W Incandescent
  • Rated Life: 50,000 hours
  • Housing: Thermally Conductive Plastic
  • Socket: E26
  • Operating Temperature: -20˚C to +40˚C
  • Dimensions: 39in (111mm) x 2.53in (64.3mm)
  • Voltage: 120VAC
  • Weight: 8 oz, 110g
  • Power Factor: ≥.9
  • Warranty: 5 year limited
SKU Watts Base Type Color Temperature Voltage Lumens Efficacy
LS-A19-40WE-WW22-120-BX 4W  E26 Warm White 2200K 120V 400 100
LS-A19-40WE-WW27-120-BX 4W  E26 Warm White 2700K 120V 450 113


  • 80% more efficient than comparable incandescent lamps.
  • Dimmable to 10% on most dimmers.
  • Omni-directional design in three wattage equivalencies.
  • Maintenance free operation, lasts over 50x longer than conventional lighting.
  • RoHS compliant – contains no mercury or lead.


  • Reduced energy usage – decreases energy related costs.
  • Variable light intensity creates optimal light quality.
  • Smooth and uniform light to create a well-balanced environment.
  • Long rated life – reduces maintenance cost.
  • Innovative materials reduce waste and environmental impact.
  • Installs easily into new or retrofit applications.


Ideal for table and floor lamps in residential, retail, hospitality and offi ce applications.


Click HERE to download the Datasheet.

Additional Information

Weight 2 lbs
Dimensions 8 x 8 x 4 in


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