Abstract: D-73277 leuze Text: MSI-SR4B EN 2013/10 - 50124419 We reserve the right to make technical changes Safety relays Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.ctiautomation.net - Email: info@ctiautomation.net 1 2 About this document. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4