The breaker snaps onto a 35 mm DIN rail per DIN EN 50022 and accepts screw-type terminals on both main and auxiliary circuits, with wire capacity for 2x (1 to 2.5 mm²) solid or stranded, and 2x (2.5 to 6 mm²).
Depth is 96 mm, so plan for gland-plate clearance if the breaker is near the enclosure back wall. No side or backward spacing required — you can butt it against adjacent devices without derating, which simplifies layout in dense control panels.
Signal integrity and noise considerations
No ground-fault detection — if your motor circuit needs GF protection, add an external RCD or a separate ground-fault module. The breaker's own surge withstand is 6 kV, so it can handle transient spikes from contactor switching without nuisance tripping. Power dissipation at rated load is 9.25 W total, 3.1 W per pole — negligible for panel thermal rise, but worth noting if the enclosure is tightly sealed with multiple breakers.