Timeline for Protecting DC power supply from accidental mains connection
Current License: CC BY-SA 4.0
3 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| May 16, 2023 at 2:31 | comment | added | Spehro 'speff' Pefhany | You might be able to use something like a high voltage MOSFET to block the voltage in one direction but it would be tricky to get it to break fast enough and would be expensive. I’ve done something like this in a case where it absolutely had to be idiot-proof and cost was of no consequence. | |
| May 15, 2023 at 20:21 | comment | added | Whiskeyjack | Thanks for the answer. I apologize for not mentioning that I want the circuit to auto-recover when mains are removed. I don't want any fuse to blow up as a protection mechanism. This is the final fallback option though. | |
| May 15, 2023 at 13:15 | history | answered | Spehro 'speff' Pefhany | CC BY-SA 4.0 |