comments:
Anpriv posted on r/homeassistant1w
They mean like this: https://www.amazon.com/Siemens-QSA2020SPD-Protection-Circuit-Breakers/dp/B0052MG5K0 https://www.homedepot.com/p/Siemens-Boltshield-QSPD-35kA-2-Pole-Single-Phase-Type-1-Plug-In-Surge-Protective-Device-QSPD2A035B/327475291?g_store=6502&source=shoppingads&locale=en-US&fp=ggl (this is the 'faster suppressor' like he mentioned) Googling "whole house surge protector siemens" is as easy for you as it was for me.