SIEMENS 3SK2511-2FA10 – SIRIUS safety relay | JUAL SIEMENS 3SK2511-2FA10 – SIRIUS, interface module PROFINET interface for safety relay 3SK2 as of E05 and 3RK31 as of E04 PROFINET IO interface 100 Mbit/s, RJ45 22.5 mm width Spring-type terminal Can be parameterized via Safety ES without connecting cable