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SATCO Lighting S8639 8W, LED MR16, 5000K, 15 degree beam spread, GU5.3 Base, 12V AC/DC
8W - LED MR16 - 5000K - 15 deg. beam spread - GU5.3 base - 12 Volt AC/DC
Manufacturer Resources
Spec Sheet
Product Specs
- Product Group:
- Indoor Lighting
- Product Subgroup:
- Light Bulbs
- Product Weight:
- 0.11 lb
- Lumens:
- 490L
- Dimmable:
- Yes-Dimmable
- CRI:
- 90+
Satco Lighting S8639 – Frequently Asked Questions
1) Does the S8639 MR16 run on line voltage or does it need a transformer?
It runs at 12 Volt AC or DC, so it needs a low voltage supply, either a magnetic or electronic transformer feeding the track or recessed fixture. Wiring it to 120V line voltage will destroy it.
2) Can I use the Satco S8639 to replace a 12V halogen MR16 in existing track heads?
It is built for the same sockets and supply as a low voltage halogen MR16, GU5.3 pins on 12V, and draws 8W. The one thing to confirm on a retrofit is the transformer: older magnetic transformers have a minimum load that a single 8W LED may not meet, which shows up as flicker or a lamp that will not strike.
3) How tight is the beam on the Satco S8639 LED MR16?
15 degrees, which is a narrow spot. That is the beam you want for accent work, hitting artwork, signage, merchandise displays or a landscape uplight on a column. For general washing of a room or retail aisle it is too tight, and you would step up to a flood beam MR16 instead.
4) What color light does the S8639 MR16 put out?
5000K, a cool daylight white. It reads crisp and slightly blue next to the 2700K to 3000K warm lamps used in most hospitality and residential spaces, so if you are relamping only part of a run, mixing it with warmer MR16s will show an obvious color difference across the ceiling.
5) How do I order the right Satco MR16 part number for a 5000K narrow spot?
Order by MPN S8639. That number carries the whole configuration: 8W LED MR16, 5000K, 15 degree spot, GU5.3 base, 12V AC/DC. Adjacent Satco MR16 numbers change the color temperature or beam angle, so quoting the MPN is how you keep a multi-fixture order consistent.
How fast can I get the Satco Lighting S8639 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the
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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 S8639 come with a warranty?
Absolutely. The Satco Lighting S8639 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 S8639?
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