We found this circuit in a 1997 documentation. It can be used in any common 12 V source and has two relays that disconnect the source in the event of a short circuit.
The circuit shown is from an old European publication. In it we have the way to activate a relay...
We found this circuit in a European publication from the 1990s. Transistors are still common types...
This circuit was found in an American documentation and can be added to common amplifiers of any...