Bench Power Supply (based on ZK-4KX)
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Simple AC powered bench power supply based on a cheap ZK-4KX DC-DC module and a AC-DC power supply.
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Model information
- Source
- Printables
- Category
- Electronics
- License
- Creative Commons — Public Domain
A simple bench power supply case. It's powered from the wall power outlet, and can manage maximum of 30V, 4A or 50W, whatever comes first. I supplied links to necessary electronics parts below.
I printed my case in gray ASA - if you want to use the PSU outside I'd choose a bright filament colour, and I'd avoid PLA (I've printed previous version in black PLA and left it outside while electroplating something… Let's say that the case looked more like a banana then). Middle part had to be printed on a raft due to print lifting off bed while printing.
Banana Plugs (one black and one red necessary) - https://s.click.aliexpress.com/e/_DDWXbR1
PSU - https://s.click.aliexpress.com/e/_DE4JF2X
ZK-4KX - https://www.aliexpress.com/item/4001294534288.html
AC Socket - https://s.click.aliexpress.com/e/_DlMyRBD
Case screws - https://www.aliexpress.com/item/32915249510.html
Fan (80x20mm 24V) - https://s.click.aliexpress.com/e/_Dn4aafz
Fan screws - https://s.click.aliexpress.com/e/_DCXHDkT
PSU screws (6-36 5mm) - https://www.aliexpress.com/item/4000026445948.html
4.8mm Spade connector (female) - https://s.click.aliexpress.com/e/_DmpCFcb
M5 connector - https://s.click.aliexpress.com/e/_DCYMuPH
Other than that you'd need some wires (about 1.5mm^2 or 16AWG)