3SK21121AA10 3SK2112-1AA10 Siemens

SIRIUS SAFETY RELAY BASIC UNIT 3SK2 SERIES 10 F-DI, 2 F-DQ, 1 DQ, 24 V DC PARAMETERIZABLE VIA SIRIUS SAFETY ES WIDTH 22.5MM SCREW TERMINALS UP TO SILCL 3 (DIN EN 62061) UP TO PERFORMANCE LEVEL E (ISO 13849-1) 3SK1 OUTPUT EXPANSIONS AND 3RM1 FAIL-SAFE MOTOR STARTER CONNECTABLE VIA DEVICE CONNECTOR