It snaps onto a 35 mm DIN rail per EN 50022 and accepts solid conductors up to 16 mm² (2x) or stranded up to 70 mm² (1x) via screw-type box terminals — common for panel builders wiring motor feeders.
For BOM freeze or long-term planning, the active lifecycle means you can spec it into new designs without an obsolescence clock. If you need a documented second-source, the 3RV6021-4DA10 is a functional peer — same Class 20, similar breaking curve — but verify terminal lug fit before swapping.
Zero clearance needed at sides or rear. IP20 on the front face keeps fingers out of live terminals; the enclosure is rated for panel interior use, not washdown. Screw terminals accept AWG 10–1 solid (2x) or AWG 10–2 stranded (1x) — match your existing lug kit.
Rated 690 V maximum operating voltage, but the 45 kW motor rating is at 400 V — the typical European industrial supply. Phase-failure detection is built in; ground-fault detection is not, so pair with a separate ground-fault relay if needed. Switching frequency maxes at 15 operations per hour in AC-3 duty — fine for a pump or fan start once per cycle, not for a jogging application. Power dissipation is 38 W at full load (12.7 W per pole); account for that heat in a sealed enclosure. Surge voltage withstand is 6 kV, which covers most industrial mains transients without external MOVs.