SIEMENS 3SK12111BB40 SIRIUS SAFETY RELAY EXPANSION 4RO

SIRIUS Safety relay. Output expansion module 4RO 22.5 mm with relay outputs. Sensor expansion module for safety-oriented expansion of the advanced basic units by adding an additional 2-channel sensor or (2) 1-channel sensors. Compact device range based on bundled functions. Multifunctional devices, suitable for electronic and mechanical sensors. Narrow housing and award-winning innovative enclosure concept. Screw-type (push-in) connections. Flexibly expandable through modular product concept. Reduced wiring through device connectors. Latest safety standards are met. Standard device concept. Parameterization without software.