The ABB DS202 A-B16/0,03 is a residual current device (RCD) in the DS202 series, designed for DIN-rail mounting in distribution panels. It sits in the Circuit Breakers, Fuses & Protection category, specifically as a Din Rail Mount Circuit Breaker.
Lifecycle stage is marked as current — no phase-out or last-time-buy notice on this code. That means you can spec it into a new panel design without worrying about an imminent EOL swap.