The Schneider Electric A9P54625 is an Acti9 iC40N miniature circuit breaker — a 1P+N, C-curve unit rated at 25 A. The thermal-magnetic trip gives you a C-curve magnetic threshold of 5 to 10 times In (8 x In ±20% per EN/IEC 60947-2), meaning it holds through motor inrush and lighting loads but clears a hard short fast. Breaking capacity is 10 kA Icu at 230 V AC under EN/IEC 60947-2, and 6 kA Icn under EN/IEC 60898-1. For most industrial control panels fed from a 230/400 V transformer, the 10 kA Icu covers the available fault current common on a 100 kVA or smaller supply.
DIN-rail fit and panel integration
Clip-on mounting on a DIN rail, 18 mm wide (2 x 9 mm pitches). The neutral is on the left (fixed position), so when you're laying out a row of these in a distribution board, keep the phase busbar on the right side. Tunnel terminals accept 1 to 16 mm² rigid or 1 to 10 mm² flexible cable; strip length is 14 mm, torque to 2 N·m.
The A9P54625 is listed as current production. It is the standard Acti9 iC40N 25 A C-curve 1P+N MCB.
Dual-certified to EN/IEC 60898-1 (the household-breaker standard) and EN/IEC 60947-2 (the industrial-breaker standard). Pollution degree 3 per EN/IEC 60947-2, so it's rated for conductive environments typical in industrial panels. Quality marks include IMQ, OVE, RCM, and AENOR. Suitability for isolation is confirmed per EN/IEC 60947-2, meaning you can use it as a disconnecting means with the toggle in the OFF position and the contact position indicator showing the state.