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Old 12-16-2007, 07:56 AM   #1
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Default need help on herpa lighting system

just got my street lights (herpa561365), but i do not have a herpa transformer and connector.

all i want to know is the detail information about the herpa transformer, input AC?out put? as detail as possible, it would be better if i can get a picture of all the figures painted on the transformer

thanks a lot in advance
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Old 12-19-2007, 08:09 AM   #2
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Default Re: need help on herpa lighting system

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Originally Posted by zzonline View Post
just got my street lights (herpa561365), but i do not have a herpa transformer and connector.

all i want to know is the detail information about the herpa transformer, input AC?out put? as detail as possible, it would be better if i can get a picture of all the figures painted on the transformer

thanks a lot in advance
If they use the same transformer for the streetlights as for the fibrekit, You will need to buy a AC/AC adaptor with a secondary voltage at 12 AC/1600 mA. Of course this will also depend on how many lights You are going to install.

I dont know the effect for the Herpa lightbulbs, but I assume that they have a voltage rating at 12 V. Lets say each lightbulb have an effect at 0,5 watt, and You will install, lets say 20 lights, then the total effect would be 10 watts. If the voltage rating is 12 V, then all you have to do is to divide the total effect with the voltage and you will find that you need a transformer with the power of 0,83 ampere or 830 milliampere (mA) if You like.

The formula is total effect (watts) / voltage = power (ampere)
In other words: 10 watts / 12 V = 0,83 ampere

Anyway, plase check the voltage and the effect for the Herpa ligths.

At these low power ratings, the cablegauge will not be a big issue

The primary Voltage will, of course, be decided by the Voltage used in Your country.
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Last edited by sasmd90; 12-19-2007 at 08:11 AM.
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Old 12-19-2007, 12:21 PM   #3
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Default Re: need help on herpa lighting system

im not sure how the herpa kit works but you could consider a power supply for your power needs. one supply could in turn power your entire display without multiple plugs

this one is mine. i pulled it off of ebay like new for $50shipped. the minute i got this, i threw away my ac adaptors as it handles my entire LED/Incandescent setup....drawback is that you are playing with some exposed wires.
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