Change the power supply to replace a halogen spotlight with a 12 V LED


Change the power supply to replace a halogen spotlight with a 12V LED

led slim panel light

Many chandeliers, ceiling lights or recessed spotlights are equipped with halogen bulbs type G4 or MR16. These installations operate with halogen-type bulbs, powered by an electronic transformer providing a current between 11 and 18 volts.

Why replace a halogen spotlight with a 12V LED?

In order to save money, save time or simply replace a defective light bulb, it is interesting to replace the energy-intensive 12V halogen with a G4 LED bulb or MR16 LED bulb with equivalent light but a consumption of 7 to 10 times less.

How to replace a 12V halogen strip light with an LED?

It is relatively simple and fast to make this replacement, nevertheless, you will need simple notions of electricity:
Hardware needed:  screwdriver, cutting pliers, wire stripper, electrical connection terminal, MR16 socket, LED power supply.

1. Determine the base of the bulb in question

2. Remove the bulb
3. Locate the 12V transformer
4. Disconnect the old transformer
5. Retrieve the socket
6. Connect the socket
7. Connect the power supply to the 220V network
8. Put the bulb back in its holder
9. Turn on the power and test the new installation.

Why change the power supply to install LEDs?

Decorative LEDs are powered by a 6W DC 12 Volt power supply (which will not be changed). The halogens are powered by an AC electronic power supply of 11.5V and operate in the power range 50 - 210W. In normal operation, the consumption of halogens is 100W (5 light bulbs) or 180W (9 lighted bulbs). By replacing these bulbs with LEDs whose consumption is 2.2W consumption will be 11W for 5 bulbs and 19.8W for 9. We are therefore outside the operating range of the electronic power supply. The origin that it is necessary to change to ensure the proper operation of the LEDs.

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