SATCO Lighting S21400 16W LED ...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$21.89
Satco Lighting SAT-S21400 16 Watt LED PL 4-Pin - 3000K - 1750 Lumens - G24q base - 50000 Average rated hours - Horizontal - Type A - Ballast dependent

SATCO Lighting S21400 16W LED PL 4-Pin, 3000K, 1750 Lumens, G24q Base, 50000 Avg Rated Hours, Horizontal, Type A, Ballast dependent

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Model: S21400
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$21.89
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SATCO Lighting S21400 16W LED PL 4-Pin, 3000K, 1750 Lumens, G24q Base, 50000 Avg Rated Hours, Horizontal, Type A, Ballast dependent

16 Watt LED PL 4-Pin - 3000K - 1750 Lumens - G24q base - 50000 Average rated hours - Horizontal - Type A - Ballast dependent

Manufacturer Resources

Spec Sheet

Product Specs

Amps:
0.133-0.058A
Avg Rated Hours:
50000
BAA Compliant:
No
Ballasting Requirements:
Ballast required
Burning Position:
Horizontal
CA Web Text:
Lawful for sale
CCT Selectable:
No
CRI:
82
DLC Approved:
Yes
Enclosure Rating:
Enclosed Rated Lamp
FCC Compliant:
Yes
Housing Color:
White
Lamp Base:
G24q (4-Pin)
Lamp Filament:
LED
Lamp Shape:
PL
Lens Finish:
Frost
Lensed:
Yes
Lumens:
1750L
Product Type:
PL
Subcategory:
LED
Technology:
LED
Three-Way:
No
Warranty:
5 Year Limited - 10 hr per day
Product Group:
Indoor Lighting
Product Subgroup:
Light Bulbs
Incandescent Equivalent:
100W
Location Rating:
Damp
Product Voltage:
120V-277V
Beam Spread Angle:
100
Light Temperature:
3000K
Product Category:
Light Bulbs
Product Wattage:
16W
Product Weight:
0.42 lb

Satco Lighting S21400 – Frequently Asked Questions

1) Does the Satco S21400 LED PL lamp need the existing fluorescent ballast, or do I have to rewire the fixture?
It runs on the existing ballast. The S21400 is a ballast-dependent (Type A) 16W LED PL lamp, so you leave the fixture wiring and the ballast alone and just swap the lamp. If the ballast has failed, this is the wrong lamp for that fixture, you would need a ballast-bypass (Type B) lamp or a new ballast.
2) Will the S21400 fit my 4-pin CFL socket?
Only a G24q 4-pin socket. The S21400 uses a G24q (4-Pin) base, so it will not seat in a G24d 2-pin socket or in a GX24q socket. Check the socket marking in the fixture before ordering.
3) Can this LED PL lamp be installed base-up or vertically in a downlight?
The S21400 is specified for horizontal burning position. In a vertical downlight or base-up can, use a PL lamp rated for that orientation instead. Horizontal orientation matters for LED PL lamps because the driver heat sink is designed around it.
4) Can I use this lamp in an enclosed fixture or a closed-lens wall pack?
Yes. The S21400 is an enclosed rated lamp, so a sealed or gasketed fixture is acceptable, which is where a lot of LED PL lamps are excluded. It is also damp location rated, so covered exterior entries, stairwells, and bathrooms are fine, but not wet locations with direct water exposure.
5) What fluorescent PL wattage does the 16W Satco S21400 replace in terms of light output?
It puts out 1750 lumens at 16 watts, which Satco rates as a 100W incandescent equivalent. For PL retrofits that output sits in the range of a 26W to 32W quad-tube CFL, so expect comparable or slightly brighter light at roughly half the draw.
6) Will the S21400 work on 277V circuits in a commercial building?
It covers 120V through 277V, so the same lamp works on 120V tenant circuits and 277V commercial lighting branches. Current draw runs 0.133A down to 0.058A across that voltage range. Note that the ballast in the fixture still has to be a working, compatible CFL ballast since this is a ballast-dependent lamp.
7) Will 3000K match the other lamps in my building or will it look yellow next to them?
3000K is warm white, a soft warm tone rather than the cooler 4000K often used in offices and garages. If your corridors and units are already on 2700K to 3000K CFL, this blends. Alongside 4000K or 5000K lamps it will read noticeably warmer. Color rendering is 82 CRI, and the frosted lens diffuses the LED sources so you do not get hot spots.
8) How wide is the light distribution from this LED PL lamp compared to the CFL it replaces?
Beam spread is 100 degrees. That is a wide flood pattern suited to downlights, sconces, and ceiling fixtures, but it is directional, unlike a quad-tube CFL that throws light nearly all the way around. In an open-top or indirect fixture that relies on upward light, expect a different distribution on the ceiling.
9) Can I put the S21400 on an existing dimmer or occupancy sensor?
It is not a three-way lamp, and dimming depends entirely on the fluorescent ballast already in the fixture since this lamp is ballast dependent. On a standard non-dimming CFL ballast, it is full output only. Occupancy sensor switching of the line side is not a problem.
10) How long should these last in a 24/7 corridor before I have to go back up the ladder?
Rated 50,000 average hours. Running continuously that is roughly 5.7 years; on a 12-hour-a-day schedule it is over 11 years. For property managers maintaining stairwells and common areas, that is the main case for swapping CFL PL lamps out. The housing is white, so it stays visually neutral behind an open trim.
How fast can I get the Satco Lighting S21400 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Satco Lighting S21400 come with a warranty?
Absolutely. The Satco Lighting S21400 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Satco Lighting S21400?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
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