The Schneider Electric A9N1P40BIN is an Acti9 xC60 miniature circuit breaker — 1-pole, 40 A rated current, B-curve, with a 10 kA Icu breaking capacity at 240 V AC (IS/IEC 60947-2).
Width is 18 mm (2 x 9 mm pitches), so it occupies one module slot in a distribution board. The toggle actuator gives local ON/OFF indication. Strip length 13 mm, torque to 3.5 N·m.
Thermal-magnetic trip unit, 20,000 mechanical cycles, 10,000 electrical cycles. IP20 finger-safe terminals. Separate earth-leakage block can be added downstream if needed.