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Lamp efficiency is rated on a scale of A to G
Lamp efficiency is rated on a scale of A to G A
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| Brand : | Philips |
| Part Number : | PH860412 |
| Voltage : | 240 volts |
| Specific Uses : | General purpose |
| Bulb Details | |
| Type of Bulb : | LED |
| Cap Type : | GU10 |
| EU Energy Efficiency Label : | A |
| Luminous Flux : | 270 lumen |
| Wattage : | 7 watts |
| Colour Temperature : | 3000 Kelvin |
| Average Life : | 40000 hours |
| Beam Angle : | 40 degrees |
Product Features
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Product details
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Product Description
With the Philips cutting-edge MASTER LEDlamps it is now possible to reduce energy consumption and maintenance costs without compromising on light quality and ambience. As well as being ultra-easy to install, the MASTER LED lamps range offers a low cost of ownership.
Released in Oct 09, this dimmable GU10 is a great replacement for a 50W halogen GU10. Note that there is a perfect fit 3W version also available (search for PH852974).
WOWOOO Guide to choosing an LED bulb:
Colour
White LEDs come in many different colours. This is measured by colour temperature (units Kelvin). A typical halogen spotlight has a temperature of around 3000K, daylight is in the region of 6000K+.
Beam angle
This indicates the spread of light 25-45 degrees is a typical medium beam.
Watts vs Lumens
Brightness is measured in Lumens, not Watts, so two LED bulbs of the wattage may vary considerably in brightness due to the type and quality of LED and electronics, so always look for the Lumens!
Dimmable
Most LED bulbs are not dimmable, but there are versions that are (this one!).
Lifetime
- LEDs are cool to touch but heat is created on the back of the LED chip and it's essential this heat is dissipated otherwise the life will be greatly reduced. Unlike conventional bulbs LEDs light output degrades gradually over time. This effect is called lumen maintenance (L). Studies have shown the human eye can detect a reduction in light output at around 70% L.
- There is no standard definition for the lifetime of an LED bulb used by all manufacturers, so the lifetime of one manufacturer may be 70% L, another may be 20%.
- Since many of the products on the market today have not been around long enough to prove any lifetime claim, the figures are based on models.
- In short, if you choose a bulb from a leading manufacturer with realistic claims, you should get what you pay for!
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Customer Reviews
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Most Helpful Customer Reviews
15 of 15 people found the following review helpful:
5.0 out of 5 stars
Great, perfect replacement for halogen GU10!,
This review is from: Philips Dimmable Master LED GU10 7W equivalent to 50W 40 deg
My house is full of 50W halogen recessed spot lights that look great but burn through electricity. I've tried many different alternatives, from early LED bulbs to compact flourescent and none of them have been bright enough. I figured it was about time something came on the market that really worked, and when I saw this Philips fitting had come out I thought I'd give it a go and it's perfect. The light is a very similar colour to the halogen's it replaced and it's just as bright if not brighter. I've got three of them and it's good to know they're running at a total of 21W instead of 150W. It will probably take a couple of years to pay for itself, but that's fine, and it's satisfying to know my lighting's green!
Note, it's much longer than a standard GU10, but actually fits perfectly in the recessed fitting I have since the connector is on a flexible lead so can cope with different length bulbs, so it ends up flush to the ceiling. I have seen a video of this bulb on the Philips website where it sticks out of a fitting a little and I actually wouldn't have minded if it did, it's got a very nice finish. Now I just need to save up to replace the other room's bulbs!
9 of 9 people found the following review helpful:
5.0 out of 5 stars
costly, but very good.,
By corrsfan "Alex" (Glasgow, UK) - See all my reviews
This review is from: Philips Dimmable Master LED GU10 7W equivalent to 50W 40 deg
Bought this, was expecting a lot from it, after reading through the detailed philips technical specs on how much light was provided by each bulb (not many bulb makers provide this info). Im glad their dimmerable, as the light is fantastic from these lights - just right, and not blue/white, and no warmup time.
they are cool to the touch (had to test that claim!) so these not going to be a heat issues, which was a worry for me, unlike my current megaman CFls which do get quite hot. being a 40* as opposed to the ~100* angle that my CFLs were the light doesnt quite light up to the same point on the wall that the current cfls would. were talking ~10cm here, against 3M walls, with the lights 50cm from the walls (1M wide hall). the light doesnt obviously pool on the one spot in the floor either, and is quite dispersed. The bulb is heavy, due to all that metalwork and is the same size as the megaman bulbs. Only gripe on these is the price, but i have no doubt that this will come down in time, if nothing else once more people stock these! - i just hope these last 1/2 as long with decent brightness as their supposed to, but only time will tell.
7 of 7 people found the following review helpful:
4.0 out of 5 stars
Worth checking out,
By
This review is from: Philips Dimmable Master LED GU10 7W equivalent to 50W 40 deg
I have been waiting for some years for LED technology to mature to the extent that the products brought to market are genuinely viable alternatives to other forms of lighting. I think the new Philips range may be sufficiently highly developed and engineered to bring LED lighting to the mass market, once prices fall - at today's prices they are still for those with the vision to invest in the long term payback that these bulbs promise. My experience with this bulb is a mixed bag. It is a very well made product, which inspires confidence. Despite being termed "Warm White", at 3000 Kelvin the light output is discernibly on the white/cold size of a halogen, but not so much that it is distracting. It certainly appears as bright as a 50W halogen, which is a first for LED bulbs. The fly in the ointment, which prevents a 5 star award? The length of the bulb means that it may not fit in all light fittings. I have 25 downlighters of the same type, and these bulbs will go in, but it is a tight fit - there is no room for the bulb retaining clip, but fortunately the bulb remains in place by friction. Oh, and after 48 hours of use, one of the four LEDS in my trial bulb has failed - so much for the 25 year life claimed by Philips on the packaging! I'll be returning this one for a refund/exchange - but I will most likely persevere, as it is probably the best LED bulb out there at the moment...though I note that Osram have just brought their LED GU10 5W lamp to market (though not yet listed on Amazon), which may also be worth a try.
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