Features

• The PL and SIL ratings depend on the category of the basic device or the safety control. Wieland SNE 4012/24 Expansion Modules. Expansion of a basic device ‘s enabling current paths Contact expansion in safety equipment Up to PL e / Category 3 (EN ISO 13849-1) Up to SILCL 3 (EN 62061) Stop Category 0 and 1 according to EN 60204-1 Single-channel control Stock no. ; 871-4621 871-4621 has 2 enabling current paths (NO contact) Stock no. ; 871-4625 871-4625 has 2 x 2 enabling current paths (NO contact)