Model # 496786

Internet #202960408

Store SKU #277266

Philips Advance AmbiStar 40-Watt 2-Lamp T12 Rapid Start High Frequency Electronic Replacement Ballast
0781087090428

Philips Advance

AmbiStar 40-Watt 2-Lamp T12 Rapid Start High Frequency Electronic Replacement Ballast

  • 2 year limited manufacturer's warranty
  • Thermally protected
  • Lights 2 F8T5 lamp
$18.49 /each

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Product Overview

The Philips Advance AmbiStar Metal Black Ballast is UTL, CSA and ETL listed. It offers metal construction for strength. This lightweight ballast has a traditional style and black finish.

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Customer Questions & Answers

58 Questions54 Answers

Customer Questions & Answers

AmbiStar 40-Watt 2-Lamp T12 Rapid Start High Frequency Electronic Replacement Ballast
AmbiStar 40-Watt 2-Lamp T12 Rapid Start High Frequency Electronic Replacement Ballast

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This question is from AmbiStar 40-Watt 2-Lamp T12 Rapid Start High Frequency Electronic Replacement Ballast
 
3 answers

Will this replace R-2S40-1-TP?

This question is from AmbiStar 40-Watt 2-Lamp T12 Rapid Start High Frequency Electronic Replacement Ballast
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Fort Myers, FL
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February 3, 2016
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Answers (3)

Asked by
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March 3, 2016
Answer: 
can this ballast work with 9 ft lamp
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February 9, 2016
Answer: 
Yes, this is the correct replacement. The RELB-2S40-N is for residential use.
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February 5, 2016
Answer: 
AmbiStar RELB-2S40-N is the correct replacement for residential use.
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This question is from AmbiStar 40-Watt 2-Lamp T12 Rapid Start High Frequency Electronic Replacement Ballast
 
3 answers

There's no specification on the length of the lamps? Can I use the ballast with T12 4ft lamps? Can I connect it in parallel?

This question is from AmbiStar 40-Watt 2-Lamp T12 Rapid Start High Frequency Electronic Replacement Ballast
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Bellingham
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April 14, 2014
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Asked by
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June 9, 2016
Answer: 
Yes. works with standard 34W and 40W 4foot tubes.
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Asked by
Arizona
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April 12, 2016
Answer: 
Used them for T12 4 foot lights, parallel. Just had another one fail!
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July 10, 2014
Answer: 
Dear Valued Home Depot Customer,
We reached out to the MFG for more information and find their response below.
“F40T12 is the lamp designation for a 4ft T12 lamp. This ballast operates the lamps in series and must be wired according to the diagram on the ballast label.”
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This question is from AmbiStar 40-Watt 2-Lamp T12 Rapid Start High Frequency Electronic Replacement Ballast
 
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Is this an electronic ballast or a magnetic ballast?

This question is from AmbiStar 40-Watt 2-Lamp T12 Rapid Start High Frequency Electronic Replacement Ballast
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Northeast
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May 30, 2015
The description says "electronic ballast" but the specifications says "magnetic ballast. Which is it?

Thanks
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Asked by
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June 9, 2016
Answer: 
It'd high frequency so it's an electronic ballast.
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May 31, 2015
Answer: 
This Ambistar is an electric ballast.
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This question is from AmbiStar 40-Watt 2-Lamp T12 Rapid Start High Frequency Electronic Replacement Ballast
 
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is this good for 2 8ft bulbs fixture

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November 22, 2013
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Asked by
Beaverton, OR
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Home Improvement Profile: DIYer
October 21, 2014
Answer: 
No. It is specific to the 4-foot bulbs.
Look at the end of your bulb and mark that number down. Then, find the ballast that fits that number. That's the only one that will work for your bulbs.
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Asked by
Philips Lighting, North America HQ
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November 25, 2013
Answer: 
Hello, yes this ballast can be used with a 2 8FT T12 bulbs.
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Customer Reviews

Rated 4.1 out of 5 by 30 reviewers.
Rated 5.0 out of 5.0 by SO far so good! After replacing all the tubes in my office the old magnetic ballast failed on one fixture. Bought and installed this ballast. Easy to install. Notice this fixture now lights instantly with absolutely no flicker - now I will replace the others one by one. May 29, 2016
Rated 4.0 out of 5.0 by Ended up not needing it. When I disassembled the ceiling light to install the new ballast, I found that my problem was a bad wire instead. However, the ballast would have fit perfectly and would have been very easy to install. Instructions were clear and understandable. July 19, 2016
Rated 4.0 out of 5.0 by AMbistar fluorescent ballast My old fluorescent fixture stopped working and it turned out the ballasts were at fault. I had 2 ballasts in my old fixture and I decided to replace them. I couldn't find any local store that carried it and so turned to HD. The ballasts came on time and I was able to install it based on directions I found on the web. It took HD 10 days to get the product from their warehouse in OH to NJ. I don't understand why it takes so long, but outside that everything was as promised. June 28, 2016
Rated 5.0 out of 5.0 by Some Built a Better Ballast (finally) I work in the Hotel / Motel , Condo Maintenance field and we are always replacing ballasts. This is a newer Electronic Ballast and if you have ever had to change many of them on top of a 20 foot ladder you be be thankful for the smaller size and less weight the new ballasts have. July 1, 2016
Rated 1.0 out of 5.0 by Failed quickly. Lasted 3 months then failed, Philips is sending replacement. March 30, 2016
Rated 5.0 out of 5.0 by Works Well I had not replaced a ballast in a long time but found this to be relatively easy. Ballast was much smaller in volume than the one being replaced. However, length was the same so that it still fit in the original location. No modifications had to be made. Has worked well since installation. February 16, 2016
Rated 1.0 out of 5.0 by Didn't work This ballast was broken from the minute I installed it. Only one light worked dimly and the other worked even less. I took it back and then went and bought an OSRAM brand one from Lowe's which worked fine at installation. Watch out Ace Hardware also carries this common Sylvania brand too. You get what you pay for... January 2, 2016
Rated 5.0 out of 5.0 by Very good purchase This was an item that should be installed by a professional. But was able to be done by my son following instructions on item and sales rep from store. December 8, 2015
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