The Siemens 7SJ6005-4EA00-0DA0 is an overcurrent relay from the 7SJ6005 family, classified under Circuit Breakers, Fuses & Protection. It's the component that sits in a protection panel, watching current transformers and tripping the breaker when a fault exceeds the set threshold — standard fare for feeder and motor protection in industrial distribution. Lifecycle status is current. Siemens lists it as an active catalog number.
Sourcing reality
Because the lifecycle is current, this relay is available through normal Siemens distribution channels.