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External PSU shuts down the breaker

Hi! I have a Gold Note PH10 phono and just received the PSU 10. After I turn on the PSU, it shuts down the breaker in the house. I have tried to plug in without connecting the phono, same results. It was all right when I tried in a HIFI shop, and worked well, even connecting to the phono. I would be suspicious, but every single component is working good (with higher load also), except the PSU.
What can it be? 
128x128korakotta

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korakotta OP
50 posts
 
Thank you all for the helpful answers!

I have tried to switch back the breaker after the shut down, and I couldn`t. The circuit isn`t close to overload, tried with various devices.
PSU is for 220VAC nominal.
I am very sure the breaker is an AFCI. I am renting, so I can`t do much about.
I bought the unit online and it`s working in the stereo shop, so what to do now?
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