3SK2122-1AA10
SIRIUS SAFETY RELAY BASIC UNIT 3SK2 SERIES 20 F-DI, 4 F-DQ, 2 DQ, 24 V DC PARAMETERIZABLE VIA SIRIUS SAFETY ES WIDTH 45MM SCREW TERMINALS UP TO SIL3 (IEC 61508) UP TO PERFORMANCE LEVEL E (ISO 13849-1) 3SK1 OUTPUT EXPANSIONS AND 3RM1 FAIL-SAFE MOTOR STARTER CONNECTABLE VIA DEVICE CONNECTOR
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