رله siemens مدل 3TK2821-1CB30

SIRIUS SAFETY RELAY WITH RELAY ENABLINGCIRCUITS (EC),24 V AC/DC, 22.5 MM, SCREW TERMINAL,EC INSTANTANEOUS: 3S, EC DELAYED: 0S,MK: 1NC, AUTOSTART,MANUAL START BASIC UNIT UP TO MAX. ERR. SIL CL: 1,PL: C;AS EXPANSION UNIT UP TO MAX. ERR. SIL CL: 3,PL: E

ApplicationsDepending on the version of the device and the external wiring with sensors and actuators, applications up to Category 4 in accordance with DIN EN 954-1 or SILCL 3 in accordance with IEC 62061 / PLe as specified in DIN EN ISO 13849-1 can be implemented.In these applications, 3TK28 safety relays perform the following functions:●Monitoring the safety functions of the sensors●Monitoring of the sensor lines●Monitoring of correct functioning of the safety relay●Monitoring of actuators for standstill ●Safety-related shutdown in case of hazards