Rated 25 A operational current at AC-3 (400 V), it handles motor switching duty up to that current; the instantaneous magnetic short-circuit trip responds at 325 A, clearing faults fast enough to protect downstream contactors and cables. Insulation rated at 690 V with surge withstand of 6 kV, so it's comfortable on 400 V line-to-line systems with decent headroom.
Size S0 frame, 45 mm wide, 97 mm tall, 96 mm deep. Any mounting position allowed. Screw-type terminals on main circuit accept 2x (1…2.5 mm²) solid/stranded or 2x (2.5…10 mm²), torque 2…2.5 N·m.