SATCO Lighting S11917 18.5W T8...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$10.93
Satco Lighting SAT-S11917 18.5 Watt T8 LED - 5000K - Medium Bi Pin base - 50000 Average rated hours - 120-277 Volt - Type B - Ballast Bypass - Single or Double Ended Wiring

SATCO Lighting S11917 18.5W T8 LED, 5000K, Medium Bi Pin Base, 50000 Avg Rated Hours, Type B, Ballast Bypass

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Model: S11917
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$10.93
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SATCO Lighting S11917 18.5W T8 LED, 5000K, Medium Bi Pin Base, 50000 Avg Rated Hours, Type B, Ballast Bypass

18.5 Watt T8 LED - 5000K - Medium Bi Pin base - 50000 Average rated hours - 120-277 Volt - Type B - Ballast Bypass - Single or Double Ended Wiring

Manufacturer Resources

Product Specs

Amps:
0.154-0.067A
Avg Rated Hours:
50000
Ballasting Requirements:
Ballast Bypass; Direct wire 120-277V line voltage; No ballast or external driver required
Burning Position:
Universal
CCT Selectable:
No
DLC Approved:
Yes
Enclosure Rating:
Enclosed Rated Lamp
FCC Compliant:
Yes
Housing Color:
White
Lamp Filament:
LED
Lamp Shape:
T8
Lens Finish:
Frost
Lens Material:
Glass
Lensed:
Yes
Lumens:
2600L
Product Type:
Linear
Three-Way:
No
Warranty:
5 Year Limited - T8 LED Bulbs - Ballast Bypass
Product Group:
Indoor Lighting
Product Subgroup:
Light Bulbs
Bulb Base:
Medium Bi Pin
Base Material:
Glass
Incandescent Equivalent:
90W
Location Rating:
Damp
CRI:
80
Subcategory:
LED
Title 24 Compliant:
Yes
Bulb Type:
LED
Product Voltage:
120V-277V
Beam Spread Angle:
180
Light Temperature:
5000K
Product Category:
Light Bulbs
Product Wattage:
18.5W

Satco Lighting S11917 – Frequently Asked Questions

1) Can I just drop the Satco S11917 T8 LED into my existing fluorescent fixture without rewiring?
No. The S11917 is a Type B ballast bypass lamp, which means the fixture has to be direct wired to 120-277V line voltage and the existing fluorescent ballast removed or disconnected. No ballast or external driver is used. If you want a lamp that runs on the existing ballast with no wiring work, you need a Type A plug-and-play T8 LED instead.
2) Is the Satco S11917 wired single ended or double ended?
Either. The 18.5W T8 supports both single ended and double ended wiring, so it works whether your retrofit puts line and neutral on one tombstone pair or splits them to opposite ends of the fixture. That flexibility matters when you are converting a mix of older strip fixtures and do not want to standardize the sockets.
3) Will the S11917 fit standard T8 fluorescent sockets?
Yes. It uses a medium bi pin base in a T8 tube shape, the same base and diameter as a standard linear fluorescent T8, so it seats in existing tombstones. The wiring behind those sockets is what changes with a Type B lamp, not the lampholders themselves.
4) Can I use this T8 LED in an enclosed or damp location fixture like a wraparound or a parking garage strip?
Yes on both counts. The S11917 is an enclosed rated lamp and carries a damp location rating, so sealed wrap lenses, vapor tight housings, and covered exterior areas are fine. It is not rated for wet locations, so direct rain or hose-down exposure is out.
5) How much light does the 18.5W S11917 put out, and what fluorescent does it replace in terms of output?
2600 lumens at 18.5 watts, with a 5000K color temperature and 80 CRI. Satco lists it as a 90W incandescent equivalent. The 5000K is a cool daylight white, which is typical for shops, warehouses, garages, and back-of-house areas rather than offices or guest spaces where 3500K or 4000K is more common.
6) Does this Satco T8 LED qualify for utility rebates and California energy code work?
It is DLC approved, which is what most utility rebate programs require for a listed lamp, and it is Title 24 compliant for California projects. It is also FCC compliant. Those three together are usually what an institutional or government spec sheet asks for on a fluorescent-to-LED retrofit.
7) Is this Satco T8 dimmable or does it work on a 3-way circuit?
No. The S11917 is not a three-way lamp, and it is a fixed 5000K with no CCT selection. Treat it as a straight on/off direct wire lamp. If your spec calls for dimming or field-selectable color temperature, this is the wrong lamp.
8) How many of these can I put on a 20 amp lighting circuit?
Current draw is 0.154A at 120V down to 0.067A at 277V. Use the figure matching your circuit voltage and apply your normal continuous-load derating when you count lamps per branch circuit. At 277V the per-lamp draw is less than half what it is at 120V, which is why larger retrofits on 277V gear fit far more tubes per circuit.
9) Can the S11917 be mounted vertically or in a tilted fixture?
Yes, burning position is universal, so it can run horizontal, vertical, or at any angle without derating. The 180 degree beam spread means light is thrown out one side of the tube rather than all the way around, so rotate the tube so the lens faces the work area.
10) Is the Satco S11917 glass or plastic, and does it look like a frosted fluorescent tube?
Glass, both the lens and the base material, with a frost finish and a white housing. The frosted glass diffuses the diodes so you do not get a dotted appearance through an open fixture. Glass tubes are stiffer than plastic but will break if dropped, so handle accordingly on a ladder.
How fast can I get the Satco Lighting S11917 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 S11917 come with a warranty?
Absolutely. The Satco Lighting S11917 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 S11917?
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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