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HELP needed: American 110 volt QSC PL3.4

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kedwardsleisure View Drop Down
Old Croc
Old Croc


Joined: 20 January 2009
Location: Staffordshire
Status: Offline
Points: 4936
Post Options Post Options   Thanks (0) Thanks(0)   Quote kedwardsleisure Quote  Post ReplyReply Direct Link To This Post Posted: 23 March 2012 at 6:39pm
Quote isn't it relativley easy to make a swich-mode PSU fully 115/230 compatible


No! You have to design one from the start for that to happen.

The PL uses its capacitors as a voltage doubler for 120V use and in series for 240V by rearranging wire pcb links. The basic board is the same but there are also components different as I mentioned such as the filtering components different values and the soft start.

It is not out of the question to modify it to 240V but it isn't a user-asjustable thing as the pcb has to come out to do it.

The 120V versions usually have 120V-rated mains connectors as well, ie the hubbel nema twist lock.
Kevin

North Staffordshire

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