Overview
The XPSAC3721P is a Schneider Preventa safety module dedicated to emergency stop and switch monitoring, operating on a 230 V AC supply and delivering three normally-open volt-free relay outputs rated for 6 A switching current. It achieves PL e / category 4 per EN/ISO 13849-1 and SILCL 3 per EN/IEC 62061, with an MTTFd of 210.4 years and PFHd of 3.56E-9 1/h, backed by CSA, UL, and TÜV certifications.
Schneider has discontinued the XPSAC3721P; remaining units are available through surplus and broker channels. An RFQ confirms current availability and lead time for line-down or last-time-buy needs.
