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  • 5000 average rated hours of luminescence
  • 680 lumens
  • Frosted, shatterproof finish with medium brass base
  • Built to withstand external stresses without damage
  • C-9 filament wire for durability
  • Can handle vibrations
  • Dimmable design
  • 130V

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Satco S3931 Specs
Length 4 1/8 Inches
Diameter 2 3/8 Inches
Voltage 130
Wattage 75 Watts
Application Rough Service
Base Style Standard / Medium
Brightness 680 Lumens
Bulb Shape A Series
Burn Time 5,000 Hr.
Features Dimmable

Finish Frosted
Type Incandescent Bulbs
Usage Indoor

Customer questions about this product

I installed this bulb and it doesn’t seem as bright as the one I was replacing. What gives?
This is a commercial/ industrial bulb designed to withstand power surges. While it will operate on a household 120 volt electrical connection, it actually requires a 130 volt electrical connection to produce the full rated lumens. The light lumen output will go down about 24% when used in a 120 volt circuit, but the life of the bulb will last 280% longer than it would in a commercial/industrial setting with a 130 volt circuit.
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Satco S3931 Details

Built to resist shock, vibration, and other external stresses that can cause damage to standard incandescent bulbs, this Satco S3931 75 watt frosted shatterproof incandescent bulb is the rough service lighting solution you need at your commercial establishment! Thanks to the shatterproof coating, this bulb is less likely to break during use, helping to keep your guests and staff members safe.

Boasting 5000 average rated hours of light, this bulb features a C-9 filament wire and medium brass base, which will not oxidize or freeze in the socket. This feature allows for safe and easy removal of the bulb. When paired with the appropriate dimmer switch, this bulb can be dimmed to accommodate whatever setting you are in. This 130V bulb emits 680 lumens and is perfect for use in commercial settings.

Overall Dimensions:
Maximum Overall Length (MOL): 4 1/8"
Maximum Overall Diameter (MOD): 2 3/8"

  • RoHS Compliant

    RoHS Compliant

    This item complies with the standards imposed by the Restriction of Hazardous Substances Directive, which restricts the use of certain hazardous substances in electrical equipment.

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Satco S3931

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Customer Reviews

  • Overall User Rating: Satco S3931 75 Watt Frosted Shatterproof Finish Incandescent Rough Service Light Bulb -130V (A19)

    5.0 stars from 9 reviews


    People Talk About:

    bulb light Watt shatterproof bright finish Frosted bulbs glows lightly
  • Arrange by 
    These bulbs cost less! This 75 watt bulb will avenge 5000 hours of luminescence and is rated at 680 lumens. This bulb does have a frosted finish and can be used for commercial and household uses.
    With a clearly labeled box, this 75 watt light bulb really glows in my lamp. It has a surface that makes holding it very easy for installation.
    This light bulb is nice and bright without being too harsh on the eyes. Has an expected life span of 5 years –– excellent deal for the price.
    This 70 Watt lightbulb is perfect for a commercial fridge. It creates a bright light within confined space and is lightly frosted as opposed to translucent.
    This shatterproof claim was unintentionally put to the test upon arrival and it held to be true. I was very impressed with quality and durability.
    Great warm glow works well for an overhead light and is lasting so far a few weeks with being turned off and on often. Good for our storage room since it's shatterproof and more durable!
    Satco S3931 75 Watt Frosted Shatterproof Finish Incandescent Rough Service Light Bulb -130V (A19) has a pretty, upscale looking finish and is very bright. I'd highly recommend.
    This 75 watt shatterproof light bulb really helped to light up my front yard, It has a very long life and still continues to function as a critical element of my household.
    We needed shatterproof lights in order to comply with health code regulations. Was very happy to see webstaurant carried these. This 75 watt bulb is plenty bright enough

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