The instantaneous magnetic short-circuit trip responds at 480 A, clearing a bolted fault fast enough to protect the contactor and downstream wiring.
The S0 frame size (96 mm deep, 45 mm wide, 97 mm tall) fits standard panel layouts; clearance requirements are 50 mm above and below, 30 mm to the sides, and zero forward/backward. Screw-type terminals on top and bottom accept 2 x 1–2.5 mm² solid/stranded or 2 x 2.5–10 mm², with torque set to 2–2.5 N·m.
Electrical ratings and environment
Rated insulation voltage 690 V AC at pollution degree 3, with a surge voltage resistance of 6 kV — suitable for 400/480 V line supplies with margin. Operating frequency 50–60 Hz. Total power dissipation 14 W typical, which matters for enclosure thermal budgeting when several breakers are ganged. Ambient operating range -20 to +60 °C; transport/storage -50 to +80 °C. Installs up to 2000 m altitude without derating. Shock rated 25 g / 11 ms per IEC 60068-2-27.