Siemens 7SG1111-3AA02-0CA0

The Siemens 7SG1111-3AA02-0CA0 is a reliable overcurrent protection relay designed to guard against phase faults and earth faults. Known as the ARGUS 1 relay, it operates on a non-direct principle and comes in a compact E4 case size. This unit features a single-pole design with a current rating of 1/5 amp, supporting a 110/220 VDC auxiliary supply and a 48 V binary input. With one binary input and a height of just 4U, it’s well-suited for integration into control panels where space and precise fault detection are important. This Siemens protection relay is available through BSP Automation, ensuring convenient access for system integration and maintenance needs.