Product: Protect: 5-30 V DC Over-Voltage Protection Module 11 sold

Totally the exact thing i needed!

From finding this gem of a product, to it arriving fast and safely packed, and the joy of getting to try it out, and it working flawlessly:
10/10 shopping experience. Very useful, outstanding great design, the sense of care that went into this, is obvious from the very first moment.
Also all the information, user guidance, and manual: you will know if it's the right choice without second guessing or getting lost in endless research.
Add to that the outstanding and generous customer service.. simply makes this one of the very best shopping experiences i've had!