Electrical switching - switch to safety Whenever a control unit takes over a monitoring or automatic function, the system is switched electrically. Remote switches for pulse drives, switching relays or Insta contactors then switch the electrical loads. Our SENTRON low-voltage circuit protection offers a wide range of contact variants and rated currents for the different requirements of these devices. Safety, convenience and energy saving - this is what distinguishes automatic time switching. https://elecena.pl/product/22400611/5te4830-button-1s-1-20a-2-buttons-red-green 2023-01-07 https://elecena.pl/product/22400611/5te4830-button-1s-1-20a-2-buttons-red-green 2024-04-26