S0 frame, Class 10 — the overload protection that sets the starting duty
The 3RA2120-1BA23-0BB4: The supplied contactor is a 3RT2023-1BB40, and the link module is 3RA2921-1BA00 — these are the integrated assembly that carries the main current path and the control wiring interface.
Panel fit — DIN rail snap-mount and the clearance envelope
Size S0 load feeder with a size S00 circuit-breaker: the starter body measures 45 mm wide, 193.1 mm high, and 107 mm deep — the width is the critical panel-space dimension, fitting a standard 45 mm slot on a DIN rail. Snap-mounts onto a DIN rail or can be screw-mounted with an additional push-in lug — vertical mounting position only, per the spec, so plan the rail orientation accordingly. Clearance distances: 30 mm upwards, 10 mm forwards, 10 mm downwards, 9 mm at the side, 0 mm backwards — these are the minimum air gaps to adjacent metalwork or enclosure walls for heat dissipation and arc flash containment. Main contact wiring accepts stranded conductors 1–10 mm² (single) or 2x 2.5–6 mm², with AWG equivalents 2x 16–12 or 2x 14–8 — sufficient for the 750 W motor circuit without over-specifying the lug.
Motor sizing across line voltages — matching the starter to the load
At 400 V rated value the starter is sized for 750 W; at 500 V it also delivers 750 W, and at 690 V it steps up to 1 100 W — the power rating climbs with voltage because the current limit stays within the contactor's thermal capacity. Operating frequency is 50/60 Hz — the same unit works on 50 Hz European or 60 Hz North American lines without derating.
Lifecycle and compliance — active production, RoHS/REACH dated
Substance prohibitance date is 03/01/2017 — this marks the RoHS/REACH compliance baseline; the starter meets the EU substance restrictions in effect from that date. Degree of pollution 3 means the unit is rated for industrial environments with conductive pollution or dry non-conductive pollution that becomes conductive due to condensation — standard for an unsealed panel-mounted starter.