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Can I replace 20 W halogen bulbs with 35 "W" led bulbs?


resucami's Avatar
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03-20-17, 04:56 PM   #1 (permalink)  
Can I replace 20 W halogen bulbs with 35 "W" led bulbs?

I have a flexible track sealing light with five 20 watt MR16 GU5.3 halogen bulbs in my kitchen.

Can I replace these bulbs safely with i. e. 5-8 watt MR16 led bulbs (equivalent to 35-50 watt), or could it be that the electronic at the base of the led bulbs generates so much heat that something could melt or burn? (I have to admit I don't even know whether there is any electronic in such bulbs.)

If I can do this, could I even add more lights to the track for as long as I stay altogether below 100 watt?

And finally, is it a big risk to buy such bulbs (for comparatibly little money) at eBay?

Thanks - resucami

 
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03-20-17, 05:02 PM   #2 (permalink)  
So, you currently have 5 twenty watt bulbs for a total of 100 watts. Your sentence " i. e. 5-8 watt MR16 led bulbs (equivalent to 35-50 watt)" is confusing. Are you saying you want to replace with 5-8 bulbs that total up to 35-50 watts or do you want to install 5-8 bulbs each pulling 35-50 watts for a potential total draw of 400 watts?

 
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03-20-17, 05:04 PM   #3 (permalink)  
You can replace the 12v incandescent bulbs with the LED replacements. The only problem, and I'm not even sure if it is a problem, is that you need to use LED replacements that work on AC voltage.

You need to confirm if you are using 12volt or 120v MR-16 lamps.


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03-20-17, 05:29 PM   #4 (permalink)  
Sorry for the confusion. The 5 lights in my track use right now 12V 20W halogen bulbs with MR16 GU5.3 base (I just installed the last replacement bulb).

I would like to replace them with 12V 4W led bulbs with MR16 GU5.3 base, possibly even 5W or 6W bulbs, possibly even adding one or two more lights.

I'm looking right now at 5 such 4W bulbs for a total of $9.99 on eBay, shipping from the US. They allegedly have 320 lumens which should make them significantly brighter than the 20W halogen bulbs (if it is correct that such bulbs usually produce 200 lumens).

 
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03-20-17, 05:32 PM   #5 (permalink)  
Typically, yes. LEDs do not produce nearly the heat that a halogen lamp does so using a larger equivalent lamp (bulb) is fine. I say "typically" because I have seen some manufactures that will also limit the side of CFL or LED lamps in addition to incandescent.


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03-20-17, 05:36 PM   #6 (permalink)  
That looks like a bargain..... certainly worth a shot.


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03-28-17, 06:37 PM   #7 (permalink)  
The bulbs came and everything went fine (and bright) until I put in the fifth bulb. After that all five bulbs started only to blink when I switched the light on. The blinking also continued after switching the last bulb again with an old halogen bulb.

Is it likely that that means that the 12 volt converter is bust?


Last edited by resucami; 03-28-17 at 06:58 PM.
 
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03-28-17, 07:35 PM   #8 (permalink)  
Possibly too much start up load for the convertor to handle.


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