Surge protection, consisting of protective plug and base element, with integrated status indicator for four signal wires with common reference potential, e.g., Digital IN/OUT.

Surge protection, consisting of protective plug and base element, with integrated status indicator for two 2-wire floating signal circuits, e.g., two 0(4) ... 20 mA current loops, HART-compatible.

Surge protection for resistance-dependent measuring signals.

Surge protection for a 2-wire floating signal circuit, e.g., 0(4) ... 20 mA current loop, HART-compatible.

Surge protection plug with integrated diagnostic and status indicator on the module and remote indication contact for two signal wires with common reference potential. Nominal voltage: 5 V DC