Schneider Electric A9F07270 is an Acti9 iC60H miniature circuit breaker rated at 0.5 A, C curve, 2 poles, with 70 kA Icu at 220...240 V AC.
At 380-415 V it holds 70 kA, at 440 V it derates to 50 kA. IEC 60898-1 rating gives 15 kA Icn at 400 V. C curve magnetic trip at 8 x In (±20%) means it trips instantaneously between 3.2 and 4.8 A — suited for resistive and general loads, not high-inrush motor circuits. Utilisation category A (EN/IEC 60947-2) confirms it's not intended for motor starting duty under short-circuit conditions.
Panel integration and termination
Mounts on DIN rail, 36 mm width (4 x 9 mm pitches), 91 mm height, 78.5 mm depth. Tightening torque 2 N.m, strip length 14 mm. IP20 finger-safe front, pollution degree 3, overvoltage category IV — suitable for main distribution boards, not wet environments. Earth-leakage protection requires a separate Vigi iC60 block (not included) — the MCB itself provides overcurrent and short-circuit only. Trip indicator and contact position indicator give visual confirmation of state without opening the door.
Suitability for isolation marked yes to both standards — it can be used as a disconnecting means with visible gap confirmation.