Power supply transformer voltage limitation

Thread Starter


Joined Jul 17, 2010
Hello folks,
I would like to put together a bench power supply using a 60V, 8.3A variable transformer that I have and using a Chinese DPS5005 step down panel module from eBay.

The module has a range of 50V at 5Amp with an absolute maximum input of 55V.

Could anyone help me out with a circuit to limit the voltage of the transformer to say 52V? The transformer output is controlled by a potentiometer on the front panel but I would rather not trust it not to go over voltage and damage the panel module.