Halogen LED equivalent

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kandjc

119 posts

Master Geek

#177222 27-Jul-2015 07:45

I have 50 watt GU10 halogen lamps in our kitchen which produce about 500 lumens. The nearest equivalent LED I can find is 5 watt which says 300 lumens on the box. Has anyone swapped from GU10 to LE, how is it? I don't want to pay $12 per bulb and not get the same light.
Thanks.

richms

28198 posts

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#1352249 27-Jul-2015 07:52

You won't get the same light in the same size package.

The ones that are close are typically more concentrated so same lux at the center of the beam but way less spill from them. Since Gu10 lamps are so awful at spill due to the massive filament that can end up with a better result.

Richard rich.ms

geoffwnz

1596 posts

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#1352402 27-Jul-2015 10:54

I don't have the lumen ratings of each type that I used but when I swapped from halogen to LED GU10's I found the resulting light was significantly better. Whether that was more light, better colour or something else I'm not sure but I'm definitely pleased with the change. Not to mention th reduced heat output and less power use.

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E3xtc

773 posts

Ultimate Geek

#1353155 28-Jul-2015 09:36

I went through the exercise recently with trying to replace our MR16 Halogens with LED's (it didn't work in the end due to the transformers not playing ball), but the light outputs I found to be the best were the COB type LED lamps. The light output seemed to be much more consistent with that from a Halogen.

Huchiz

221 posts

Master Geek

#1353870 28-Jul-2015 21:56

We have 3 50W GU10 in the kitchen, switched to 3 Panasonic 6W 355LM LED. http://www.pbtech.co.nz/index.php?z=p&p=BULPAN17452&name=PANASONIC-GU10-6W-Dimmable-LED-Down-Light-230V-45W. And we have 3 12V 50W GU5.3 in the bathroom, switched to 3 Osram 5.5W LED from Bunnings/Mitre 10. (Can't remember which, will find the invoice and update) I remember they cost around 15 each.

Both warm white, very nice color, very bright. Really can't complain.

Also we have Osram 6W and 10.5W bulbs from Bunnings in the dinning room, love them! (The 6W's price at Bunnings is very good for a top brand)

You really need to shop around if you are going to buy a lot of replacement, as the price varies a lot. Some lesser brand in some shops are more expensive.

Huchiz

221 posts

Master Geek

#1353871 28-Jul-2015 21:58

Panasonic GU5.3 doesn't work with our existing transformer, flicks like hell. Osram SuperStar series works very fine.

E3xtc

773 posts

Ultimate Geek

#1358657 4-Aug-2015 13:09

FWIW - I have also replaced our GU5.3 Halogen's with the OSRAM Superstar, and they are the best of everything that I tested (Panasonic, random stuff from AliExpress; LED, COB, High Wattage etc). So cost a fair amount ($20/unit), but are a direct replacement. Boom - sorted. Thanks for the top Huchiz!

wellygary

8339 posts

Uber Geek

#1358718 4-Aug-2015 14:50

E3xtc: FWIW - I have also replaced our GU5.3 Halogen's with the OSRAM Superstar, .....So cost a fair amount ($20/unit), but are a direct replacement. Boom - sorted.

At ~5hrs a day, you will pay back each bulb in around a year, its a pretty good payback rate...

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lissie

495 posts

Ultimate Geek

#1359001 4-Aug-2015 22:36

I attempted to replace GU10's in a previous house with GE LEDs -sorry can't recall the brand. They were expensive - about $12 - and although we replaced about 10 not one of them lasted more than a month - some blew in a week. These were 240V - no transformer involved and no dimmer. I couldnt get an explanation from the retailer and got a refund on all of them.

Complete waste of time IMHO

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Huchiz

221 posts

Master Geek

#1359043 5-Aug-2015 00:46

E3xtc: FWIW - I have also replaced our GU5.3 Halogen's with the OSRAM Superstar, and they are the best of everything that I tested (Panasonic, random stuff from AliExpress; LED, COB, High Wattage etc). So cost a fair amount ($20/unit), but are a direct replacement. Boom - sorted. Thanks for the top Huchiz!

Good to know that.:D I did a bit of research after the Panasonic failed to work. It turns out Osram made a lot of effort to specifically design the SuperStar series GU 5.3 LEDs to work with the "old style" "high powered" electronic transformer. They also post test results with many transformer brands as PDF file on line.

Huchiz

221 posts

Master Geek

#1359044 5-Aug-2015 00:53

lissie: I attempted to replace GU10's in a previous house with GE LEDs -sorry can't recall the brand. They were expensive - about $12 - and although we replaced about 10 not one of them lasted more than a month - some blew in a week. These were 240V - no transformer involved and no dimmer. I couldnt get an explanation from the retailer and got a refund on all of them.

Complete waste of time IMHO

Probably the reason is that they were installed in a small closed space with very poor air venting? Yes LEDs are a lot cooler then normal halogens, but they are also very sensitive to even very moderate heat. Also some lesser brand LEDs are VERY POORLY designed and made even very dangerous. I hope GEs are not.

My personal advise is, especially in NZ market, to buy top brand LEDS. Shop around for Osram, Philips and Panasonic. The price may vary quite a lot, if you are buying large quantities, it will worth the time to compare prices. Don't bother buying non-brand LEDs from trademe or some websites, you are most likely to waste time and money.

Things to look when buying LED bulbs,

1, Real brightness. Generally top brands are more honest about the spec, but I still find it's not very consistently trustable.
2, Color temperature. Golden rule is for home use there should't be more than 3000K.
3, Color GUI should be no worse than 80. Again you cannot expect all brands to be honest in this regard.
4, Diffuser shape and light direction. Most of the time I would prefer a more traditional bulb like rather than a directional focused design.
5, Warranty. This is disaster in NZ as even top brands has only 1 year.

rp1790

738 posts

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#1359051 5-Aug-2015 05:24

Try these http://ledfocus.co.nz/products/led-bulb/spotlight-gu10-7w/gu10-non-dimmalbe-971.html. At $9 ea they are a great bargain. I replied 3x50watt halogens and the light is better and stronger.

richms

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#1359132 5-Aug-2015 10:37

lissie: sorry can't recall the brand. They were expensive - about $12 ;

The problem is that you got ones that were not expensive.

For downlights changing the whole fitting is almost always a better result.

For the spotlights on a bar fittings they were never made for whole room illumination so redesigning the lighting in the room should be done if leds in them are not bright enough. Most led replacements for Gu10 incandescent lamps will have a much better beam than the incandescent lamp did so will be worse for room illumination.

Richard rich.ms

StructureDr

77 posts

Master Geek

#1363501 12-Aug-2015 10:39

kandjc: I have 50 watt GU10 halogen lamps in our kitchen which produce about 500 lumens. The nearest equivalent LED I can find is 5 watt which says 300 lumens on the box. Has anyone swapped from GU10 to LE, how is it? I don't want to pay $12 per bulb and not get the same light.
Thanks.

We've replaced all our halogens with various Phillips LEDs - fantastic result, though did also require replacing some transformers. Generally the ones we put in were 7w from memory.

Would highly recommend LEDs throughout