Help find a replacement for Ikea transformer
- Thread starter dezmis
- Start date
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Hi TTC,
Google is really is good if you know what to ask!
As you have probably guessed these numbers and letters mean nothing to me unfortunately, so I was hoping someone who KNOWS would recommend one that he (or she) would buy in my situation.
Google is really is good if you know what to ask!
As you have probably guessed these numbers and letters mean nothing to me unfortunately, so I was hoping someone who KNOWS would recommend one that he (or she) would buy in my situation.
What is the total wattage of the lights that will be run on this transformer?
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In that case, the transformer that IKEA provided is under-rated. Their's is only good for 60watt, you need at least 70watt.
One of these will sort you out, http://www.screwfix.com/p/halolite-35-105w-electronic-transformer/39220
It's the transformer that has to be dimmer able, not the bulbs themselves.
You don't need to change the transformer if you are using a standard switch.
Capisch?
You don't need to change the transformer if you are using a standard switch.
Capisch?
That's the think - I'd like the lights to be dimmable. They are on a dimmer switch ATM.
Would the transformer I was recommended make them dimmable?
http://www.screwfix.com/p/halolite-...mc=AffiliateWindow-_-DeepLink-_-Na-_-Na-58258[/url]
Would the transformer I was recommended make them dimmable?
http://www.screwfix.com/p/halolite-...mc=AffiliateWindow-_-DeepLink-_-Na-_-Na-58258[/url]
Did you not read what I said
The dimmer and the transformer need to be compatible with each other. The tranny I linked to is OK with most dimmers.
Your electrician can advise.
The dimmer and the transformer need to be compatible with each other. The tranny I linked to is OK with most dimmers.
Your electrician can advise.
Why didnt he just get a dimmer compatible with the transformer you have
I have no idea, but he didn't seem like he understood what I was asking him.
I asked him several times why these lights flicker instead of dim smoothly, and didn't get a proper answer.
I am not an electrician and didn't know the specifics of dimmer-transformer compatibility.
If there any simple rules you can share with me I would be very happy to educate myself a bit.
Thank you!
I asked him several times why these lights flicker instead of dim smoothly, and didn't get a proper answer.
I am not an electrician and didn't know the specifics of dimmer-transformer compatibility.
If there any simple rules you can share with me I would be very happy to educate myself a bit.
Thank you!
That's because he doesn't understand how to do his job properly.
That's because he doesn't know.
I suggest that neither was¹, nor did, he.
There is a compatibility issue with dimming ELV lighting "transformers" (in quotes because they aren't actually transformers, which is why the problem arises)
Dimmers do not work by lowering the peak voltage, they reduce the RMS voltage by simply chopping out part of the waveform - they either turn on part way through each cycle (leading edge, or phase-delay) or turn off part way through (trailing edge, or phase cut), and what the dimmer does must match what the transformer needs.
So you might have a "transformer" that is labelled as suitable for dimming and you might have a dimmer switch that is suitable for use on ELV power supplies but you still need to match the leading/trailing edge characteristics of each.
¹ At least, not enough of a one to be taking your money to act as one.
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