3TK2821-2CB30 Siemens

SIRIUS safety relay with relay enabling circuits (EC) 24 V AC/DC, 22.5 mm Spring-type terminal EC instantaneous: 3 NO EC delayed: 0 NO SC: 1NC Autostart/manual start Basic device Maximum achieved SIL: 1, PL: c as expansion unit up to maximum achieved SIL: 3, PL: e SIRIUS safety relay with relay enabling circuits (EC) 24 V AC/DC, 22.5 mm Spring-type terminal EC instantaneous: 3 NO EC delayed: 0 NO SC: 1NC Autostart/manual start Basic device Maximum achieved SIL: 1, PL: c as expansion unit up to maximum achieved SIL: 3, PL: e