Siemens 3SK1121-1CB41 Safety Relay, advanced basic unit (Relay enable circuit) with Output Contacts: EC: 2,EC(td): 2, Adjustable Time Delay (td): 0.05-3 Sec, Supply Voltage: 24V DC, Model: SIRIUS 3SK1 Accessories 250A 3P 36kA MCCB
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