!!! Phased-out product !!! The successor product series is 3SK2 (see FAQ 109741483) SIRIUS safety relay with relay enabling circuits (EC) 24...240 V UC, 45 mm overall width Spring-type terminal EC instantaneous: 4 NO EC delayed: 0 SC: 2 Switch with 8 functions Basic device Maximum achievable PL according to EN 13849-1: Maximum achievable SIL according to IEC 61508: 3