3SK safety relays
SIRIUS 3SK safety relays offer outstanding simplicity, flexibility and cost-effectiveness. Their modular design simplifies the planning, commissioning and expansion of plants. Simple safety functions, such as EMERGENCY STOP and protective door monitoring up to SIL 3 and PL e, can be quickly implemented without programming.
![SIRIUS 3SK safety relays 3SK-Keyvisual.jpg](https://assets.new.siemens.com/siemens/assets/api/uuid:c48e4b00-692a-470a-a306-18dece212d37/width:100/quality:low/crop:0:0,10328638497652583:0,45054945054945056:0,596244131455399/3SK-Keyvisual.jpg)
SIRIUS 3SK safety relays offer outstanding simplicity, flexibility and cost-effectiveness. Their modular design simplifies the planning, commissioning and expansion of plants. Simple safety functions, such as EMERGENCY STOP and protective door monitoring up to SIL 3 and PL e, can be quickly implemented without programming.