All versions of the family of safety relay modules PROTECT SRB-E can be used in applications up to Cat. 4 / PL e in accordance with ISO 13849-1 and up to SIL 3 in accordance with IEC 62061 / IEC 61508.
A major advantage of the new SRB-E series is its multi-functionality which allows all the variants to be used with several existing SRB modules. Each module can be configured for up to 11 different applications via a simple control element.