Energy efficient A Shape Bulbs for any application.


Keystone’s Essential Series A Shape Bulbs are designed for general purpose lighting needs. They’re suitable for new construction applications or replacing incandescent and halogen bulbs. Offering substantially longer lifespans and higher efficiencies, our A Shape Bulbs minimize energy and replacement costs.

Keystone’s extensive line of Essential Series omnidirectional LED bulbs provide solutions for a variety of application needs. There is a wide range of wattage and lumen outputs available, as well as both 80 and 90 CRI options for a majority of the line. Color temperature choices include 2700K, 3000K, and 5000K, offering more aesthetic flexibility over incandescent bulbs.

Ideal for use in table, desk, or floor lamps, the 3 way switch LED bulb features 3 lumen output options in a single bulb.

Benefits of Essential Series A Shape Bulbs

  • Smooth diffused lens for comfortable glare free performance
  • Durable plastic housing lowers the risk of breakage
  • HiCRI LED’s offer enhanced color rendering, providing ideal clarity, representation, and uniformity
  • Optimal energy savings up to 80% compared to legacy equivalents
  • Lower heat generation compared to legacy equivalents
  • Smooth, uniform dimming (dimming models)
  • Long lifespan minimizes replacement and maintenance costs

Features of Essential Series A Shape Bulbs

  • UL listed, ANSI compliant, and FCC Part 15 compliant
  • Meets Energy Star requirements
  • CEC Title 20 compliant (90 CRI bulbs only)
  • Title 24 JA8 compliant (2700K & 3000K bulbs only)
  • Suitable for use in enclosed fixtures
  • Operating temperature range: -4°F/-20°C to 95°F/35°C
  • Input voltage: 120V

Application Types

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Tech Specs

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