The Littelfuse SDA04H1BD is a 4-position DIP switch designed for external actuation. It features a compact design suitable for setting control parameters. This switch is commonly used in telecommunications and industrial equipment. Its reliable contact mechanism ensures consistent performance in various applications. https://elecena.pl/product/29309403/littelfuse-sda04h1bd-dip-switch-4-positions-external-actuation 2025-08-27 https://elecena.pl/product/29309403/littelfuse-sda04h1bd-dip-switch-4-positions-external-actuation 2025-10-07