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Gringoking88

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Hi all,

Hoping someone can help with the below and excuse my novices!!!!

I have 8 Parathom LED spot 111 50 advanced lamps wired in series, they are each 8.5w and are replacing existing halogens. I am struggling to find a driver that is able to run them all and have spoken to Osram who were no help at all. I have found the varilight YT150Z (Premium Electronic Lighting Transformer 0w - 150w - https://www.tlc-direct.co.uk/Products/LTYT150.html) would this be suitable or can someone please recommend something that would be suitable please?

Many thanks and apologies if this is a very stupid question.

Martin
 
had a look on the Osram site, those seem be running off 12V AC.
Why you wired them in series??? That will complicate things a lot, you will need some 50-80volts to run whole lot.
If done in parallel configuration a standard 230-12v transformer rated above 68 watts (8 lamps rated 8.5 watts each = 68 watts) should do the job.
 
Wire the lights in parallel.

The 12V 150W electronic 'transformer' may well do the job. However, its output won't be at 50-60Hz as specified for the lights. This may not matter. If it does, than an ordinary traditional transformer would do the job:
Toroidal Lighting Transformer 1 x 100w Output - https://www.tlc-direct.co.uk/Products/TLT100slash1.html

Pretty certain it'll be 12V output (it doesent seem to be stated), but check with TLC.

ps, don't post the same question twice.
 
those power supplies are NOT 12vdc output, they are a pulsating 12v
sort of in between DC and AC.
as the Parathom data sheet does NOT specify DC only
I can only guess that they will work But you will NOT get full life from them
If long term reliability is important ?
Then use a 12vdc regulated power supply.
specialist electronic suppliers will have them.
 
those power supplies are NOT 12vdc output, they are a pulsating 12v
sort of in between DC and AC.
as the Parathom data sheet does NOT specify DC only
I can only guess that they will work But you will NOT get full life from them
If long term reliability is important ?
Then use a 12vdc regulated power supply.
specialist electronic suppliers will have them.

Manufacturers datasheet says 12V with operating frequency 50-60Hz.
Looks more or less AC to me.
 

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