AC-3 duty and motor load coverage
The 3RA2125-1DA23-0BB4: Rated for AC-3 switching duty up to 690 V maximum, this Size S0 starter covers motor loads at common line voltages: 1 100 W at 400 V, 1 500 W at 500 V, and 2.8 A at 480 V or 3.16 A at 600 V. The Trip Class 10 thermal bimetallic overload release matches standard induction motor starting profiles — it allows the inrush without nuisance tripping during acceleration.
DIN rail snap-mount, vertical only — panel layout constraint
Mounts vertically on DIN rail via snap-on fastening, or screw-mounted with the additional push-in lug. The 45 mm width and 107 mm depth fit standard S0 feeder spacing; clearance requirements are 30 mm upwards, 10 mm forwards, 10 mm downwards, and 9 mm at the side — no backwards clearance needed. This vertical-only restriction means the starter cannot be laid flat in a shallow enclosure.
Integrated assembly — supplied contactor and link module
The starter ships as a complete unit with the 3RT2023-1BB40 contactor and 3RA2921-1BA00 link module pre-assembled. The 24 V coil is built in; main contact wiring accepts stranded 1–10 mm² or 2× (2.5–6 mm²). No separate ordering of contactor and overload — one order code, one assembly to swap.