SATCO Lighting S11651 12W 3 Foot T5 LED, CCT Selectable, G5 Base, Type B, Ballast Bypass, Single or Double Ended Wiring, White Finish

Yes. The S11651 is a Type B ballast bypass lamp, so the existing fluorescent ballast has to be removed or bypassed and line voltage wired straight to the sockets. It runs on 120-277 volt line power, which covers both 120V residential-style circuits and 277V commercial lighting circuits. If you leave the ballast in the circuit, the lamp will not operate correctly. Type A lamps are the ones that run on the existing ballast; this is not one of those.

Either. The S11651 supports single ended or double ended wiring, so it works whether the fixture feeds line and neutral to one socket end or splits them to opposite ends. That matters on retrofits, because you can rewire the fixture whichever way is easier to reach and still use the same lamp. It has a G5 bi-pin base at each end, the standard T5 base.

The lamp uses a G5 base, the same bi-pin base a standard T5 fluorescent uses, and it is a 3 foot lamp, so it drops into 3 foot T5 sockets. The physical fit is direct; the electrical side is not, because it is a ballast bypass lamp and the fixture has to be rewired to line voltage first.

Not a plug-in swap. Because it is Type B ballast bypass, the fixture has to be opened and rewired, with the ballast taken out and line voltage landed on the sockets, either single ended or double ended. That is electrical work on a 120-277 volt circuit, so it is a job for a licensed electrician on commercial and multi-family properties. If you want a lamp you can drop in without touching the wiring, you want a Type A lamp instead, which runs on the ballast that is already in the fixture.

It is CCT selectable, so one lamp covers multiple color temperatures and you pick the one you want at install rather than ordering a specific Kelvin value. For a property manager or MRO stockroom that is the practical benefit: a single part number can be set to match whatever the rest of the building is already running, instead of holding two or three Kelvin variants on the shelf.

12 watts, and yes. The lamp is rated 120-277 volt, so the same part works on 120V and on the 277V circuits common in commercial and institutional buildings. Since it is a ballast bypass lamp running on line voltage, the fixture wiring itself has to be rated for whatever voltage the circuit carries.

Satco S11651. That single number covers the 12 watt, 3 foot, CCT selectable T5 with a G5 base and a white finish, and there are no size or color temperature variants to specify since the color is selected on the lamp itself.