Telemecanique Sensors Safety Relays XPSAC3421

XPSAC3421 is a Preventa safety module designed for emergency stop and switch monitoring, with a relay output of three volt-free NO contacts and one solid-state output. It operates on a 115 V AC supply, has a rated insulation voltage of 300 V, and an impulse withstand voltage of 4 kV overvoltage category III. The module meets safety standards for PL e/category 4 per EN/ISO 13849-1 and SIL CL 3 per EN/IEC 62061, with a PFHd of 3.56E-9 1/h and MTTFd of 210.4 years. It mounts on a 35 mm DIN rail, has IP20 protection for terminals and IP40 for the enclosure, and operates in ambient temperatures from -10 to 55 °C. The product weighs 0.21 kg and includes two LEDs for local signaling.