Model # A2100FUS30A2-R

Internet #204758738

SWITCH 100W Equivalent Bright White  A21 Frosted LED Light Bulb


100W Equivalent Bright White A21 Frosted LED Light Bulb

$4997 /each
(limit 35 per order)
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Product Overview

Switch Lighting SWITCH100 20.5W A21 LED light bulb replaces a traditional 100W bulb in a wide range of applications at home, in an office and in other work areas. The SWITCH100 can be used in any orientation - base up or base down. It is rated for fully enclosed lighting fixtures. It works with a wide range of dimmers to set the right brightness level and save energy. The SWITCH100 is RoHS compliant, and comes with a lifetime residential use warranty and a 5 year commercial use warranty.

  • Brightness: 1600 lumens
  • Estimated yearly energy cost: $2.47 (based on 3 hours per day, $0.11 per kWh. costs depend on rates and use
  • Life: 22.8 years (based on 3 hours per day)
  • Light appearance: 3000K (bright white)
  • Energy used: 20.5W (light output equivalent to a 100W standard incandescent light bulb)
  • Lumens per Watt: 78
  • Contains mercury: no
  • Uses 80% less energy compared to a standard incandescent light
  • Ideal for use in all general lighting applications such as table lamps, pendant lights, sconces, ceiling and wall-mount fixtures. UL rated for use in damp locations
  • A21 bulb with medium screw base
  • Dimmable: yes

Info & Guides

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Bulb Diameter (In.)
Product Depth (in.)
Product Height (in.)
Product Width (in.)


Actual Color Temperature (K)
Average Life (hours)
Bulb Shape
Bulb Type
Color Rendering Index
Color Temperature
Bright White
Light Bulb Base Code
Light Bulb Features
Light Bulb Shape Code
Light Color
Other Colors
Light Output (lumens)
Lighting Technology
Number in Package
Specialty Bulb Type
Household / General Purpose
Watt Equivalence
Wattage (watts)

Warranty / Certifications

Manufacturer Warranty
Lifetime warranty for residential use at 3hrs per day and 5yr commercial use warranty

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Customer Questions & Answers

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Customer Reviews

100W Equivalent Bright White A21 Frosted LED Light Bulb is rated 4.3 out of 5 by 6.
Rated 1 out of 5 by from Two of three failed within months. Unattractive, too. Two of three failed within months. Unattractive, too.
Date published: 2017-05-18
Rated 5 out of 5 by from Good light Good quality of light from the bulb. I've gotten other led bulbs for retrofit recessed lights, bi-pins and candelabra base. the color temperature description is accurate and warm. A little wider and taller than a traditional bulb, of corse heavier. I have two installed in a floor lamp facing up by a set of stairs. The frosted glass helps to diffuse the light from the individual LEDs so you see a ring of light going around the bulb. Using the dimmer on the lamp the intermediate light setting has some flickering.
Date published: 2014-01-01
Rated 5 out of 5 by from High Quality Product Recently purchased these bulbs for my work-shop. It is an unconditioned space with ceiling mounted utility cage lights, and I was replacing incandescent bulbs on a monthly basis most likely because of the extreme temperature changes. The light quality is excellent, very similar to the warm feel of incandescent lighting, and I have not had any issues with burnt out bulbs. Decided on purchasing the Swith bulb over competitors because they can be used on any fixture and in any orientation. I believe that other LED bulbs will burn out over time if they are mounted in a closed fixture with the base up....these will not. Overall very pleased with the light output and build quality of the bulb.
Date published: 2013-12-10
Rated 5 out of 5 by from Excellent Quality Very, very happy with the build quality of this product. The light quality is also outstanding. After trying other LED bulbs, I now plan to be using only Switch bulbs in the future.
Date published: 2014-01-12
Rated 5 out of 5 by from price coming down, whiter light The price for 100w equiv LEDs is still very high, but coming down. Good for high usage areas only. 3000° color temp is whiter (and brighter looking) than usual incandescent. Cost-effective if it lasts as long as mfr. claims.
Date published: 2014-03-11
Rated 5 out of 5 by from Simply the best 100We 100 We LED bulbs are less common. I have looked at them all and this is the best looking, best performing by a wide margin. If an LED bulb last many years -- then this is the one to live with.
Date published: 2014-01-22
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