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Grainger Choice Product
LUMAPRO

Miniature Incandescent Bulb, T1-3/4, Midget Grooved (S4S/8), Lumens 4, Watts 1.12W

  • Item # 21U567
  • My Part #
  • Mfr. Model # 388-1PK
  • Catalog Page # 504
  • UNSPSC # 39101612
Miniature Incandescent Bulb,  T1-3/4,  Midget Grooved (S4S/8),  Lumens 4,  Watts 1.12W close
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Primary Category:
~Lighting~Lamps~Miniature Lamps and Bulbs


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  • Shipping Weight 0.001 lbs.
Country of Origin Taiwan Country of Origin is subject to change.
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  • This item is manufactured or supplied by a small, minority, woman, veteran or disadvantaged business.

Product Details

This miniature incandescent bulb features a filament that glows when an electric current passes through it. It is designed for use in indicator applications.

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Technical Specs

  • Item Miniature Incandescent Bulb
  • Overall Bulb Shape T
  • Bulb Shape T1-3/4
  • Overall Bulb Base Type Midget Grooved
  • Bulb Base Type Midget Grooved (S4S/8)
  • Light Technology Incandescent
  • Lumens 4
  • Wattage Equivalency 1.12W INC
  • Watts 1.12W
  • Voltage 28VAC
  • Trade Number 388
  • Bulb Primary Application Indicator
  • Bulb Type Miniature
  • Light Appearance 3000 to 3999K, Warm White
  • Indoor/Outdoor Usage Indoor Only
  • Shatter-Resistant No
  • Rough Service No
  • Light Color White
  • Bulb Finish Clear
  • Bulb Housing Glass
  • Overall Length 5/8"
  • Rated Life 7000 hr.
  • Bulb Power Source Direct Wired or Plug and Play
  • For Enclosed Fixtures No
  • Standards Meets 2012 Lighting Legislation Energy Standards
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