Siemens SIRIUS Safety Relay 3TK2821-1CB30

Part No. 3TK2821-1CB30

• SIRIUS safety relay with relay enabling circuits (EC) 24 V AC/DC
• 22.5 mm Screw 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