The SIEMENS SIRIUS 3TK28 provides reliable switch off in hazardous situations and make the efficient configuration of continuous safety chains possible boasting a reliable protective door monitoring to carry out emergency stop switch off in case of emergency. With highly flexible multifunctional devices, electronic relay or auxiliary contact enabling circuits as well as with special functions makes it practical and user-friendly equipment that caters to a multitude of applications provides a complete and economical safety chain. Cost effective with low maintenance, it is also easy to install and assemble. A comprehensive operation manual is included in every SIRIUS 3TK28 package.
SIRIUS 3TK2810 safety relays provide the following safety-related functions:
•Monitoring actuators for speed
•Monitoring actuators for standstill
They satisfy the most stringent requirements (PL e) of EN ISO 13849-1 and achieve the highest Safety Integrity Level (SIL 3) according to IEC 61508.