The Schneider Electric XPSAXE5120P is a Preventa XPS AXE series safety module specifically designed for monitoring emergency stop circuits (conforming to EN/ISO 13850 and EN/IEC 60204-1) and safety switch interlocks on protective devices (conforming to EN/ISO 14119) . It is a compact, 22.5mm wide module that mounts on a standard 35mm DIN rail