We can determine by the specs you gave that the transformer is indeed AC Electronic Transformer for LV-Halogen Lamps Yes, that's exactly it - 4 lights are currently run off a single ouput. Probably explains why it overloaded then! It was already wired that way before I moved in to this house. drop (the maximum distance is about 1.5-2m). While this could possibly be a factor for runs over 4m and incorrect wire sizes, 2m should not. I had transformers on all my downlights when I moved in, several transformers had gone, slowly I replaced them all with 240V LEDs (like these: https://www.screwfix.com/p/enlite-e8cx-fixed-fire-rated-led-downlight-without-bezel-580-620lm-8w-220-240v/3631x). I am building a wall cabinet with downlights in the shelves, for which I would like to use MR16 LEDs. However, my first attempt was obviously deficient, since two of the LEDs blew. I'd appreciate some help to figure out a) what went wrong, and b) what I need to install them properly.

MR16 LED lights? - Home Improvement Stack Exchange How to wire MR16 LED lights? - Home Improvement Stack Exchange

You may have bought or are thinking about buying some LED strip lighting or MR16 fittings or spotlights for your home. Either way you’re here to find out the whats and whys about LED drivers (or transformers). This handy guide will help you make an informed decision and give you the fundamentals you need when buying a driver. Why do I need an LED driver? The LED lamps just do not have a big enough load for the old transformers and/or they are not compatible. You could change the transformers for LED drivers (one or more of them) but thats expensive.The transformer you need for strip lighting depends on multiple factors, such as the length of strip, watts per chip and total wattage. LED strip lighting comes with either small LED chips or larger LED chips, as well as a variety of sizes ranging from 1m to 5m. Small LED strip light chips are marked “3528” and measure 3.5mm x 2.8mm, while large LED strip light chips are marked “5050” and measure 5mm x 5mm. Larger 5050 chips are brighter per metre than small 3528 chips. To calculate the total wattage of the LED strip you wish to power you have to do one of these simple sums: • 60 small LED chips: calculate 5 watts per metre • 120 small LED chips: calculate 10 watts per metre • 60 large LED chips: calculate 15 watts per metre You then need to add another 20% to avoid potential overload on the transformer. MR16 and GU10 spotlights are among the most popular LED spotlights around. The main differences between the two is that MR16s have a different base (fitting) which consists of two narrow pins. MR16s also run on just 12 volts, while GU10 spotlights have more flexibility and can run at 240 volts (which is more common in households). This means MR16s need a different transformer to convert the main supply to the required 12 volts.

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similar responses to identical loads. Both transformers specify a minimum load requirement of 0.1 A. MR16 LED light bulbs will function with the majority of standard low voltage MR16 LED drivers however some are typically 20~60VA which can cause problems for this lamp due to the transformer minimum load requirements not being met. Compared to halogen bulbs the LED MR16 bulbs draw a significantly smaller amount of power, therefore do not provide a sufficient load for the more traditional Halogen low wattage MR16 transformers.Now the older magnetic transformers will work perfectly with LED MR16s. The issue is that the electronic low voltage transformers may not. The reason for this is that they need a minimum voltage to pass through them to operate; for example the transformer in my kitchen is 40w – 400w. Historically there were 6 50w halogen bulbs in the circuit – giving a total load of 300w.